How many letters does the top answer for “make very hot and dry” have?

The most common answer is scorch (6 letters).

Crossword clue: make very hot and dry

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

scorch 6 letters wn-def

make very hot and dry

sear 4 letters wn-def

make very hot and dry

to make dry; to dry. 50% similar → hazle