How many letters does the top answer for “make equal, uniform, corresponding, or matching” have?

The most common answer is equalise (8 letters).

Crossword clue: make equal, uniform, corresponding, or matching

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

equalise 8 letters wn-def

make equal, uniform, corresponding, or matching

equalize 8 letters wn-def

make equal, uniform, corresponding, or matching