How many letters does the top answer for “one who gains. shak.” have?

The most common answer is gainer (6 letters).

Crossword clue: one who gains. shak.

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

gainer 6 letters web-def

a dive in which the diver throws the feet forward to complete a full backward somersault and enters the water feet first

one who innovates. shak. 50% similar → innovator

one who insults. shak. 50% similar → insulter

one who is imoitent. shak. 50% similar → impotent

one who knows. shak. 50% similar → knower

one who, or that which, intercepts. shak. 50% similar → intercepter

one who poisons. shak. 50% similar → poisoner

one who sends. shak. 50% similar → sender

one who surfeits. shak. 50% similar → surfeiter