How many letters does the top answer for “one who investigates ethnography.” have?

The most common answer is ethnographer (12 letters).

Crossword clue: one who investigates ethnography.

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

ethnographer 12 letters web-def

an anthropologist who does ethnography

one who investigates the derivation of words. 50% similar → etymologist