thorn vs bother

thorn and bother both are nouns.

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

As nouns, bother is a hypernym of thorn; that is, bother is a word with a broader meaning than thorn:

Other hypernyms of thorn include annoyance, botheration, infliction, nuisance, pain, pain in the ass, pain in the neck.

thorn (noun)	bother (noun)
something that causes irritation and annoyance	something or someone that causes trouble; a source of unhappiness
a Germanic character of runic origin	an angry disturbance
a small sharp-pointed tip resembling a spike on a stem or leaf

thorn (verb)	bother (verb)
	cause annoyance in; disturb, especially by minor irritations
	make confused or perplexed or puzzled
	make nervous or agitated
	intrude or enter uninvited
	take the trouble to do something; concern oneself
	to cause inconvenience or discomfort to