spikelet vs sticker

spikelet and sticker both are nouns.

Word	Noun	Adjective	Verb	Adverb
spikelet	Yes	No	No	No
sticker	Yes	No	No	No

As nouns, spikelet and sticker are synonyms defined as:

spikelet and sticker: a small sharp-pointed tip resembling a spike on a stem or leaf

Other synonyms of spikelet include pricker, prickle, spine, thorn.

spikelet (noun)	sticker (noun)
a small sharp-pointed tip resembling a spike on a stem or leaf	a short knife with a pointed blade used for piercing or stabbing
	an adhesive label
	a particularly difficult or baffling question or problem
	a small sharp-pointed tip resembling a spike on a stem or leaf