How many letters does the top answer for “another word for handshake” have?

The most common answer is handclasp (9 letters).

Crossword clue: another word for handshake

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

handclasp 9 letters gen-syn

grasping and shaking a person's hand (as to acknowledge an introduction or to agree on a contract)

handshaking 11 letters gen-syn

grasping and shaking a person's hand (as to acknowledge an introduction or to agree on a contract)

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase