How many letters does the top answer for “inauspicious sir g. buck.” have?

The most common answer is inauspicate (11 letters).

Crossword clue: inauspicious sir g. buck.

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

inauspicate 11 letters web-def

Inauspicious [Obs.] Sir G. Buck.

by implication. sir g. buck. 60% similar → implicatively

to plunder. sir g. buck. 60% similar → rapine

worthy of reward. sir g. buck. 50% similar → guerdonable