How many letters does the top answer for “to cross a second time.” have?

The most common answer is recross (7 letters).

Crossword clue: to cross a second time.

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

recross 7 letters web-def

To cross a second time.

check a second time 50% similar → countercheck

to issue a second time. 50% similar → reissue

to order a second time. 50% similar → reorder