How many letters does the top answer for “a female vassal. spenser.” have?

The most common answer is vassaless (9 letters).

Crossword clue: a female vassal. spenser.

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

vassaless 9 letters web-def

a person holding a fief; a person who owes allegiance and service to a feudal lord

a female avenger. spenser. 50% similar → avengeress

a female dolphin. spenser. 50% similar → dolphinet

a female warrior. spenser. 50% similar → warrioress