How many letters does the top answer for “the feeling that comes when something burdensome is removed or reduced” have?

The most common answer is assuagement (11 letters).

Crossword clue: the feeling that comes when something burdensome is removed or reduced

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

assuagement 11 letters wn-def

the feeling that comes when something burdensome is removed or reduced

relief 6 letters wn-def

the feeling that comes when something burdensome is removed or reduced