spikelet vs thorn

spikelet and thorn both are nouns.

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

As nouns, spikelet and thorn are synonyms defined as:

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

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

spikelet (noun)	thorn (noun)
a small sharp-pointed tip resembling a spike on a stem or leaf	something that causes irritation and annoyance
	a Germanic character of runic origin
	a small sharp-pointed tip resembling a spike on a stem or leaf