sticker vs spikelet

sticker and spikelet both are nouns.

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

As nouns, sticker and spikelet are synonyms defined as:

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

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

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