leaf vs riff

leaf and riff both are nouns.

Word	Noun	Adjective	Verb	Adverb
leaf	Yes	No	Yes	No
riff	Yes	No	Yes	No

As verbs, leaf and riff are synonyms defined as:

Other synonyms of leaf include flick, flip, riffle, thumb.

leaf (noun)	riff (noun)
hinged or detachable flat section (as of a table or door)	a jazz ostinato; usually provides a background for a solo improvisation
a sheet of any written or printed material (especially in a manuscript or book)
the main organ of photosynthesis and transpiration in higher plants

leaf (verb)	riff (verb)
produce leaves, of plants	play riffs
turn over pages	look through a book or other written material
look through a book or other written material