How many letters does the top answer for “relating to or occurring or used in typography” have?

The most common answer is typographic (11 letters).

Crossword clue: relating to or occurring or used in typography

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

typographic 11 letters wn-def

relating to or occurring or used in typography

typographical 13 letters wn-def

relating to or occurring or used in typography