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

The most common answer is endanger (8 letters).

Crossword clue: another word for threaten

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

endanger 8 letters gen-syn

pose a threat to; present a danger to

imperil 7 letters gen-syn

pose a threat to; present a danger to

jeopardise 10 letters gen-syn

pose a threat to; present a danger to

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