There are 227 words with the prefix HEX 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 10-letter words (42 of them); the spread is 2 of them 4 letters long, 6 of them 5 letters long, 18 of them 6 letters long, 22 of them 7 letters long, and more up to 15 letters. The longest entries are hexachloraphene, hexachlorethane and hexachlorophene. 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 HEX- means six (a short form of hexa-: hexagon, hexapod) — three examples from this page: hexa, hexace, hexacid.
The full list
4-letter words (2)
hexa hexs
5-letter words (6)
hexad hexed hexer hexes hexis hexyl
6-letter words (18)
hexace hexact hexadd hexade hexads hexane hexdra hexene hexers hexine hexing hexode hexoic hexone hexose hexsub hexyls hexyne
7-letter words (22)
hexacid hexades hexadic hexagon hexagyn hexamer hexanal hexanes hexaped hexapla hexapod hexarch hexaxon hexerei hexeris hexitol hexogen hexones hexonic hexosan hexoses hexylic
8-letter words (21)
hexafoil hexaglot hexagons hexagram hexamine hexamita hexammin hexandry hexangle hexaplar hexaplas hexapoda hexapods hexapody hexarchy hexascha hexaseme hexaster hexereis hexosans hexylene
9-letter words (39)
hexabasic hexabiose hexacanth hexachord hexacolic hexactine hexadecyl hexadiene hexadiine hexadiyne hexagonal hexagrams hexagynia hexahedra hexameral hexameric hexameron hexameter hexamines hexammine hexammino hexanchus hexandria hexandric hexaploid hexapodal hexapodan hexapodic hexasemic hexastich hexastigm hexastyle hexateuch hexathlon hexatomic hexestrol hexiology hexobiose hexoylene
10-letter words (42)
hexabiblos hexabromid hexacarbon hexacosane hexactinal hexacyclic hexadecane hexadecene hexaemeric hexaemeron hexagonial hexagonous hexagynian hexagynous hexahedral hexahedron hexahydric hexamerism hexamerous hexameters hexametral hexametric hexandrous hexangular hexaplaric hexaploidy hexapodies hexapodous hexaradial hexarchies hexasticha hexastichy hexastylar hexastylos hexatriose hexavalent hexenbesen hexicology hexoestrol hexokinase hexosamine hexpartite
11-letter words (29)
hexabromide hexacoralla hexactinian hexadactyle hexadactyly hexadecimal hexagonally hexagonical hexagrammos hexahedrons hexahemeric hexahemeron hexahydrate hexahydride hexahydrite hexahydroxy hexametrist hexametrize hexanchidae hexanedione hexanitrate hexapartite hexaplarian hexapterous hexastichic hexastichon hexateuchal hexecontane hexosaminic
12-letter words (25)
hexacanthous hexacapsular hexachloride hexachronous hexacorallan hexacorallia hexadactylic hexadecanoic hexafluoride hexagrammoid hexahydrated hexametrical hexamitiasis hexangularly hexapetaloid hexapetalous hexaphyllous hexasepalous hexaspermous hexastichous hexasulphide hexasyllabic hexasyllable hexiological hexobarbital
13-letter words (11)
hexactinellid hexadactylism hexadactylous hexagrammidae hexamethonium hexamethylene hexanaphthene hexastemonous hexicological hexoctahedral hexoctahedron
14-letter words (2)
hexactinellida hexactinelline
15-letter words (10)
hexachloraphene hexachlorethane hexachlorophene hexacosihedroid hexactinellidan hexadecahedroid hexahydrothymol hexatetrahedron hexatriacontane hexylresorcinol
Frequently asked questions
How many words with the prefix HEX are there?
Our word list contains 227 words with the prefix HEX, out of 359,039 entries in total. They run from 4 to 15 letters, and the 10-letter group is the largest with 42 words.
What are the longest words with the prefix HEX?
The longest are hexachloraphene (15 letters), hexachlorethane (15 letters) and hexachlorophene (15 letters).
Which words with the prefix HEX score highest in Scrabble?
By raw letter values, the top scorers on this page are hexahydrothymol (40 points), hexahydroxy (38 points) and hexachloraphene (35 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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