Words With the Prefix ALTER

There are 65 words with the prefix ALTER in our word list of 382,657 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 11-letter words (11 of them); the spread is 2 of them 6 letters long, 4 of them 7 letters long, 9 of them 8 letters long, 9 of them 9 letters long, and more up to 15 letters. The longest entries are alternativeness, alternipetalous and alternisepalous. 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 ALTER- means other, or change — from the Latin alter, “other” (alternate, alternative) — three examples from this page: alterant, alterate, altered.

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Frequently asked questions

How many words with the prefix ALTER are there?

Our word list contains 65 words with the prefix ALTER, out of 382,657 entries in total. They run from 6 to 15 letters, and the 11-letter group is the largest with 11 words.

What are the longest words with the prefix ALTER?

The longest are alternativeness (15 letters), alternipetalous (15 letters) and alternisepalous (15 letters).

Which words with the prefix ALTER score highest in Scrabble?

By raw letter values, the top scorers on this page are alternatively (19 points), alternativity (19 points) and alteratively (18 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.