suds vs shaving cream

suds and shaving cream both are nouns.

Word	Noun	Adjective	Verb	Adverb
suds	Yes	No	Yes	No
shaving cream	Yes	No	No	No

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

suds: the froth produced by soaps or detergents
shaving cream: toiletry consisting of a preparation of soap and fatty acids that forms a rich lather for softening the beard before shaving

Other hyponyms of suds include shaving soap.

suds (noun)	shaving cream (noun)
a dysphemism for beer (especially for lager that effervesces)	toiletry consisting of a preparation of soap and fatty acids that forms a rich lather for softening the beard before shaving
the froth produced by soaps or detergents

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