How many letters does the top answer for “song by clarkson” have?

The most common answer is breakaway (9 letters).

Crossword clue: song by clarkson

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

breakaway 9 letters wd-fact-v3

the act of breaking away or withdrawing from

stronger 8 letters wd-fact-v3

having strength or power greater than average or expected

the words of a song. 50% similar → lyric