How many letters does the top answer for “the act of discontinuing or breaking off; an interruption (temporary or permanent)” have?

The most common answer is discontinuance (14 letters).

Crossword clue: the act of discontinuing or breaking off; an interruption (temporary or permanent)

discontinuance, discontinuation.

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

discontinuance 14 letters wn-def

the act of discontinuing or breaking off; an interruption (temporary or permanent)

discontinuation 15 letters wn-def

the act of discontinuing or breaking off; an interruption (temporary or permanent)