trunks vs hot pants

trunks and hot pants both are nouns.

Word	Noun	Adjective	Verb	Adverb
trunks	Yes	No	No	No
hot pants	Yes	No	No	No

As nouns, hot pants is a hyponym of trunks; that is, hot pants is a word with a more specific, narrower meaning than trunks:

trunks: (used in the plural) trousers that end at or above the knee
hot pants: skin-tight very short pants worn by young women as an outer garment

Other hyponyms of trunks include Bermuda shorts, Jamaica shorts, lederhosen.

trunks (noun)	hot pants (noun)
(used in the plural) trousers that end at or above the knee	skin-tight very short pants worn by young women as an outer garment
	a state of sexual arousal