How many letters does the top answer for “someone who gets in (to a party) without an invitation or without paying” have?

The most common answer is crasher (7 letters).

Crossword clue: someone who gets in (to a party) without an invitation or without paying

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

crasher 7 letters wn-def

someone who gets in (to a party) without an invitation or without paying

gatecrasher 11 letters wn-def

someone who gets in (to a party) without an invitation or without paying