How many letters does the top answer for “be silly or tease one another” have?

The most common answer is banter (6 letters).

Crossword clue: be silly or tease one another

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

banter 6 letters wn-def

light teasing repartee

chaff 5 letters wn-def

be silly or tease one another

jolly 5 letters wn-def

a yawl used by a ship's sailors for general work

josh 4 letters wn-def

be silly or tease one another

another word for one 50% similar → ace

another word for silly 50% similar → slaphappy

another word for tease 50% similar → annoyer, vexer