beer vs suds

beer and suds both are nouns.

Word	Noun	Adjective	Verb	Adverb
beer	Yes	No	No	No
suds	Yes	No	Yes	No

As nouns, suds is a hyponym of beer; that is, suds is a word with a more specific, narrower meaning than beer:

beer: a general name for alcoholic beverages made by fermenting a cereal (or mixture of cereals) flavored with hops
suds: a dysphemism for beer (especially for lager that effervesces)

Other hyponyms of beer include draft beer, draught beer, lager, lager beer, ale.

beer (noun)	suds (noun)
a general name for alcoholic beverages made by fermenting a cereal (or mixture of cereals) flavored with hops	a dysphemism for beer (especially for lager that effervesces)
	the froth produced by soaps or detergents

beer (verb)	suds (verb)
	make froth or foam and become bubbly
	wash in suds