acerate leaf vs needle

acerate leaf and needle both are nouns.

Word	Noun	Adjective	Verb	Adverb
acerate leaf	Yes	No	No	No
needle	Yes	No	Yes	No

As nouns, acerate leaf and needle are synonyms defined as:

acerate leaf (noun)	needle (noun)
the leaf of a conifer	a sharp pointed implement (usually steel)
	a slender pointer for indicating the reading on the scale of a measuring instrument
	a stylus that formerly made sound by following a groove in a phonograph record
	the leaf of a conifer

acerate leaf (verb)	needle (verb)
	annoy or provoke, as by constant criticism
	prick with a needle