riff vs leaf

riff and leaf both are nouns.

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

As verbs, riff and leaf are synonyms defined as:

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

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

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