bother vs chivvy

bother is a noun but chivvy is not a noun.

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

As verbs, chivvy is a hyponym of bother; that is, chivvy is a word with a more specific, narrower meaning than bother:

bother (noun)	chivvy (noun)
something or someone that causes trouble; a source of unhappiness
an angry disturbance

bother (verb)	chivvy (verb)
cause annoyance in; disturb, especially by minor irritations	annoy continually or chronically
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