bother vs negative stimulus

bother and negative stimulus both are nouns.

Word	Noun	Adjective	Verb	Adverb
bother	Yes	No	Yes	No
negative stimulus	Yes	No	No	No

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

bother (noun)	negative stimulus (noun)
something or someone that causes trouble; a source of unhappiness	a stimulus with undesirable consequences
an angry disturbance

bother (verb)	negative stimulus (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