How many letters does the top answer for “a person from sri lanka” have?

The most common answer is srilankan (9 letters).

Crossword clue: a person from sri lanka

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

srilankan 9 letters wd-fact-v3

capital of sri lanka 50% similar → colombo, srijayawardenepurakotte

city in sri lanka 50% similar → anuradhapura, badulla, colombo

dish from sri lanka 50% similar → appam

island in sri lanka 50% similar → mannarisland, nainativu, neduntheevu

lake in sri lanka 50% similar → beiralake, jaffnalagoon

mountain in sri lanka 50% similar → adamspeak, kirigalpoththa, pidurutalagala