How many letters does the top answer for “mountain in cook islands” have?

The most common answer is temanga (7 letters).

Crossword clue: mountain in cook islands

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

temanga 7 letters wd-fact-v3

island in cook islands 67% similar → aitutaki, atiu, cookislands

a person from cook islands 50% similar → cookislander

capital of cook islands 50% similar → avarua

mountain in falkland islands 50% similar → mountadam

mountain in faroe islands 50% similar → arnafjall, borgarknappur, gjogvarafjall

mountain in solomon islands 50% similar → kavachi, mountmakarakomburu, mountpopomanaseu