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

The most common answer is warrioress (10 letters).

Crossword clue: a female warrior. spenser.

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

warrioress 10 letters web-def

A female warrior. [Obs.] Spenser.

a female avenger. spenser. 50% similar → avengeress

a female dolphin. spenser. 50% similar → dolphinet

a female vassal. spenser. 50% similar → vassaless