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

The most common answer is extenuation (11 letters).

Crossword clue: another word for mitigation

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

extenuation 11 letters gen-syn

to act in such a way as to cause an offense to seem less serious

palliation 10 letters gen-syn

to act in such a way as to cause an offense to seem less serious

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