There are 624 words with the prefix MICRO in our word list of 359,039 words, and every one of them is on this page — grouped by length so you can scan fast, with a live filter when you need something narrower. The biggest group is the 12-letter words (122 of them); the spread is 2 of them 6 letters long, 3 of them 7 letters long, 21 of them 8 letters long, 61 of them 9 letters long, and more up to 15 letters. The longest entries are microaerophilic, microanalytical and microanatomical. Word-game players keep lists like this open for a reason: Scrabble and Words With Friends reward the obscure corners of the dictionary, crossword solvers live on pattern matching, and Wordle players work by elimination.
The prefix MICRO- means small (microscope, microwave, microorganism) — three examples from this page: microbal, microbar, microbe.
The full list
6-letter words (2)
micron micros
7-letter words (3)
microbe microhm microns
8-letter words (21)
microbal microbar microbes microbic microbus microcos microdot microerg microhms microlux micromho micromil micropia micropin micropsy micropus microsec microtia microtus microvax microzoa
9-letter words (61)
microbars microbeam microbial microbian microbion microbism microbium microbody microcard microchip microcoat microcode microcopy microcosm microcyst microcyte microdont microdose microdyne microfilm microform microgamy microglia microgram microgyne microinch microjump microlite microlith micrology micromeli micromere micromhos micromole micronize microphot micropodi micropore micropsia microptic micropyle microseme microsoma microsome microstat microtine microtome microtomy microtone microtype microvolt microwatt microwave microword microzoal microzoan microzoic microzone microzoon microzyma microzyme
10-letter words (96)
microbiota microbious microblast microburet microbuses microcards microcebus microcline micrococci microcoded microcodes microcolon microcoria microcosms microcrith microcurie microcycle microcytic microdonty microdrili microdrive microfarad microfauna microfiche microfilms microflora microforms microgadus microgauss microglial micrograms micrograph microgyria microhenry microimage microjoule microjumps microlevel microliter microlitic micrologic micrologue microluces microluxes micromania micromazia micromelia micromelic micromelus micromeral micromeria micromeric micrometer micrometry micromolar micromorph micronesia micropenis microphage microphagy microphone microphyll microphyte micropipet micropodal micropodia microprint microprobe micropylar microscale microscope microscopy microseism microskirt microsomal microsomia microsomic microsorex microspace microspore microstate microstome microstore microtheos microtherm microtinae microtines microtomic microtonal microtypal microvaxes microwaves microweber microwords microzoary microzooid
11-letter words (100)
microampere microbeless microbicide microbiosis microbiotic microburner microbusses microcamera microcardia microcephal microchaeta microchemic microchiria microcinema microcitrus microcnemia micrococcal micrococcic micrococcus microcoding microcopied microcopies microcosmal microcosmic microcosmos microcosmus microcycles microdontia microdontic microfaunal microfibril microfiches microfilmed microfilmer microfloral microfossil microfungal microfungus microgamete microgamies microgaster microgramme micrographs micrography micrograver microgroove microhenrys microlithic micrologist micromaniac micromerism micrometers micromethod micrometric micromicron micromodule micromotion micromyelia micronemous micronesian micronuclei microphakia microphobia microphones microphonic microphytal microphytic micropodous microporous micropterus micropteryx microreader microsauria microsclere microscopal microscopes microscopic microscopid microsecond microseptum microsmatic microsomial microsphere microsporic microsporon microsporum microstates microsthene microstomia microstress microstylis microswitch microthorax microtomist microtubule microvillar microvillus microvolume microzoaria microzymian
12-letter words (122)
microammeter microanalyst microanatomy microbalance microbattery microbeproof microbicidal microbiology microbrachia microburette microcaltrop microcapsule microcardius microcarpous microcentrum microcephali microcephaly microchaetae microcheilia microcheiria microcircuit microclastic microclimate micrococceae microconodon microcopying microcosmian microcoulomb microcranous microcrystal microculture microcyprini microcytosis microdentism microdentous microdontism microdontous microdrawing microelement microfelsite microfilaria microfilming microfluidal microfurnace microgastria microgeology microgilbert microglossia micrognathia micrognathic microgrammes microgranite micrographer micrographic microgrooves microhabitat microhenries microhepatia microhmmeter microlambert micrological micromeritic micronesians micronometer micronuclear micronucleus microorganic microphagous microphallus microphonics microphoning microphonism microphysics micropipette microplakite micropodidae microprogram micropterism micropterous microrhabdus microrhopias microsaurian microsclerum microscopial microscopics microscopies microscopist microscopium microscopize microscopopy microseconds microsection microsegment microseismic microsiemens microsmatism microsommite microspacing microspecies microspermae microsphaera microspheric microsplenia microsplenic microsporous microsthenes microsthenic microstomous microstylous microsurgeon microsurgery microsystems microtechnic microtektite microthermic microtomical microtonally microtubular microtypical microvillous microzoarian microzoology
13-letter words (73)
microanalyses microanalysis microanalytic microangstrom microbacteria microbarogram microbiologic microblephary microbrachius microcellular microcephalia microcephalic microcephalus microceratous microchemical microclimates microclimatic micrococcocci microcolumnar microcomputer microconidial microconidium microcosmical microcultural microcythemia microdactylia microdetector microdiactine microeconomic microfelsitic microfilarial microfilmable microgastrine micrognathous microgonidial microgonidium microgramming microgranitic microgranular micrographist microhardness microlecithal micromembrane micromeritics micrometrical micronization micronucleate micronutrient microorganism microparasite microperthite micropetalous microphyllous microphysical microplankton microporosity microprograms micropterygid micropuncture microreaction microsclerous microscopical microsoftware microsomatous microspermous microsphaeric microsporange microsporidia microsporosis microsurgeons microsurgical microtonality microzoospore
14-letter words (71)
microaerophile microapparatus microbacterium microbarograph microbiologies microbiologist microbiophobia microblepharia microcephalism microcephalous microcharacter microchemistry microcircuitry microcomputers microconjugant microcosmology microdactylism microdactylous microdetection microeconomics microelectrode microeutaxitic microevolution microfibrillar microfoliation microgastrinae microgeologist microgranitoid micrographical microhistology microinjection micrologically micromanometer micromechanics micromesentery micrometeorite micrometeoroid microminiature micromotoscope microorganisms microparasitic micropathology micropegmatite microperthitic micropetrology microphagocyte microphthalmia microphthalmic microphthalmos microphthalmus microphytology microprocedure microprocessor microprojector micropublisher micropulsation micropyrometer microrheometer microseismical microspherical microsporangia microsporiasis microsporidian microsporocyte microstomatous microstructure microsurgeries microtasimeter microtechnique microtelephone microtitration
15-letter words (75)
microaerophilic microanalytical microanatomical microarchitects microbacteteria microbiological microbiologists microblepharism microcentrosome microchemically microchiroptera microchromosome microcoleoptera microcombustion microcosmically microdimensions microdissection microelectronic microestimation microgametocyte microgeological microgranulitic microlepidopter microleukoblast micromastictora micrometallurgy micrometeoritic micrometrically micromicrocurie micromicrofarad micromillimeter micromineralogy micromorphology micromyeloblast microoperations microorganismal micropantograph micropegmatitic microphonograph microphotograph microphotometer microphotometry microphotoscope microphysically microplastocyte micropodiformes micropoecilitic micropoicilitic micropoikilitic micropopulation microprocedures microprocessing microprocessors microprogrammed microprogrammer microprojection micropterygidae micropterygious micropublishing microradiograph microradiometer microrheometric microscopically microseismicity microseismology microsplanchnic microsporanggia microsporangium microsporophore microsporophyll microstructural microstylospore microtelephonic microthyriaceae microvolumetric
Frequently asked questions
How many words with the prefix MICRO are there?
Our word list contains 624 words with the prefix MICRO, out of 359,039 entries in total. They run from 6 to 15 letters, and the 12-letter group is the largest with 122 words.
What are the longest words with the prefix MICRO?
The longest are microaerophilic (15 letters), microanalytical (15 letters) and microanatomical (15 letters).
Which words with the prefix MICRO score highest in Scrabble?
By raw letter values, the top scorers on this page are microphysically (32 points), microtechnique (32 points) and microchemically (31 points) — before any letter or word multipliers. One honest caveat: this list is a broad English word list, so a few rare or technical entries appear that official game dictionaries (and Wordle’s answer list) do not accept. Always check a play against the dictionary your game uses.
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