How many letters does the top answer for “to render young again.” have?

The most common answer is rejuvenate (10 letters).

Crossword clue: to render young again.

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

rejuvenate 10 letters web-def

become young again

to adopt again. young. 50% similar → readopt

to become young again. 50% similar → vernate

to write again. young. 50% similar → rewrite