How many letters does the top answer for “a reflex that expels intestinal gas through the anus” have?

The most common answer is fart (4 letters).

Crossword clue: a reflex that expels intestinal gas through the anus

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

fart 4 letters wn-def

a reflex that expels intestinal gas through the anus

farting 7 letters wn-def

a reflex that expels intestinal gas through the anus

flatus 6 letters wn-def

a reflex that expels intestinal gas through the anus

expel intestinal gases through the anus 57% similar → fart