chew vs cud

chew and cud both are nouns.

Word	Noun	Adjective	Verb	Adverb
chew	Yes	No	Yes	No
cud	Yes	No	No	No

As nouns, chew and cud are synonyms defined as:

Other synonyms of chew include chaw, plug, quid, wad.

chew (noun)	cud (noun)
biting and grinding food in your mouth so it becomes soft enough to swallow	a wad of something chewable as tobacco
a wad of something chewable as tobacco	food of a ruminant regurgitated to be chewed again

chew (verb)	cud (verb)
chew (food); to bite and grind with the teeth