How many letters does the top answer for “having power to purify; tending to cleanse.” have?

The most common answer is purificative (12 letters).

Crossword clue: having power to purify; tending to cleanse.

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

purificative 12 letters web-def

Having power to purify; tending to cleanse. [R.]

cleansing; having power to cleanse. 50% similar → mundatory

tending or having the power to preserve 50% similar → preservative

tending to transfuse; having power to transfuse. 50% similar → transfusive