How many letters does the top answer for “another word for chiasm” have?

The most common answer is chiasma (7 letters).

Crossword clue: another word for chiasm

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

chiasma 7 letters gen-syn

an intersection or crossing of two tracts in the form of the letter X

decussation 11 letters gen-syn

an intersection or crossing of two tracts in the form of the letter X

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase