How many letters does the top answer for “an air pump operated by hand to inflate something (as a tire)” have?

The most common answer is inflater (8 letters).

Crossword clue: an air pump operated by hand to inflate something (as a tire)

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

inflater 8 letters wn-def

an air pump operated by hand to inflate something (as a tire)

inflator 8 letters wn-def

an air pump operated by hand to inflate something (as a tire)