pant vs trouser

pant and trouser both are nouns.

Word	Noun	Adjective	Verb	Adverb
pant	Yes	No	Yes	No
trouser	Yes	No	No	No

pant (noun)	trouser (noun)
a short labored intake of breath with the mouth open	a garment (or part of a garment) designed for or relating to trousers
(usually in the plural) a garment extending from the waist to the knee or ankle, covering each leg separately
the noise made by a short puff of steam (as from an engine)

pant (verb)	trouser (verb)
breathe noisily, as when one is exhausted
utter while panting, as if out of breath