How many letters does the top answer for “another word for preventative” have?

The most common answer is preventive (10 letters).

Crossword clue: another word for preventative

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

preventive 10 letters gen-syn

an agent or device intended to prevent conception

prophylactic 12 letters gen-syn

contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase