How many letters does the top answer for “a philosopher who specializes in the nature of beauty” have?

The most common answer is aesthetician (12 letters).

Crossword clue: a philosopher who specializes in the nature of beauty

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

aesthetician 12 letters wn-def

a philosopher who specializes in the nature of beauty

esthetician 11 letters wn-def

a philosopher who specializes in the nature of beauty