How many letters does the top answer for “a skilled worker who mends or repairs things” have?

The most common answer is mender (6 letters).

Crossword clue: a skilled worker who mends or repairs things

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

mender 6 letters wn-def

a skilled worker who mends or repairs things

repairer 8 letters wn-def

a skilled worker who mends or repairs things

a skilled worker whose job is to repair things 67% similar → repairman