suds vs froth

suds and froth both are nouns.

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

As nouns, froth is a hypernym of suds; that is, froth is a word with a broader meaning than suds:

Other hypernyms of suds include foam.

As verbs, suds and froth are synonyms defined as:

Other synonyms of suds include spume.

suds (noun)	froth (noun)
a dysphemism for beer (especially for lager that effervesces)	a mass of small bubbles formed in or on a liquid
the froth produced by soaps or detergents

suds (verb)	froth (verb)
make froth or foam and become bubbly	exude or expel foam
wash in suds	become bubbly or frothy or foaming
	make froth or foam and become bubbly