How many letters does the top answer for “a person from trinidad and tobago” have?

The most common answer is trinidadian (11 letters).

Crossword clue: a person from trinidad and tobago

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

trinidadian 11 letters wd-fact-v3

inhabitant or native of Trinidad

capital of trinidad and tobago 50% similar → portofspain

city in trinidad and tobago 50% similar → portofspain

island in trinidad and tobago 50% similar → caledoniaisland, chacachacare, gaspargrande