How many letters does the top answer for “to nestle; to house, as in a nest.” have?

The most common answer is nuzzle (6 letters).

Crossword clue: to nestle; to house, as in a nest.

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

nuzzle 6 letters web-def

move or arrange oneself in a comfortable and cozy position