sundowner vs drifter

sundowner and drifter both are nouns.

Word	Noun	Adjective	Verb	Adverb
sundowner	Yes	No	No	No
drifter	Yes	No	No	No

As nouns, drifter is a hypernym of sundowner; that is, drifter is a word with a broader meaning than sundowner:

sundowner: a tramp who habitually arrives at sundown
drifter: a wanderer who has no established residence or visible means of support

Other hypernyms of sundowner include clochard, floater, vagabond, vagrant.

sundowner (noun)	drifter (noun)
a drink taken at sundown	a wanderer who has no established residence or visible means of support
a tramp who habitually arrives at sundown