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

The most common answer is foliage (7 letters).

Crossword clue: another word for leaf

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

foliage 7 letters gen-syn

the main organ of photosynthesis and transpiration in higher plants

leafage 7 letters gen-syn

the main organ of photosynthesis and transpiration in higher plants

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

not sheathed in another leaf. 50% similar → exophyllous