How many letters does the top answer for “a person who compiles information for encyclopedias” have?

The most common answer is encyclopaedist (14 letters).

Crossword clue: a person who compiles information for encyclopedias

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

encyclopaedist 14 letters wn-def

a person who compiles information for encyclopedias

encyclopedist 13 letters wn-def

a person who compiles information for encyclopedias