smoker vs party

smoker and party both are nouns.

Word	Noun	Adjective	Verb	Adverb
smoker	Yes	No	No	No
party	Yes	No	Yes	No

As nouns, party is a hypernym of smoker; that is, party is a word with a broader meaning than smoker:

smoker (noun)	party (noun)
a passenger car for passengers who wish to smoke	an occasion on which people can assemble for social interaction and entertainment
a party for men only (or one considered suitable for men only)	a gathering of people for pleasure
a person who smokes tobacco	an organization to gain political power
	a band of people associated temporarily in some activity
	a person involved in legal proceedings

smoker (verb)	party (verb)
	have or participate in a party