How many letters does the top answer for “someone who claims to be able to read your character from the shape of your skull” have?

The most common answer is craniologist (12 letters).

Crossword clue: someone who claims to be able to read your character from the shape of your skull

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

craniologist 12 letters wn-def

someone who claims to be able to read your character from the shape of your skull

phrenologist 12 letters wn-def

someone who claims to be able to read your character from the shape of your skull