cat vs feline

cat and feline both are nouns.

Word	Noun	Adjective	Verb	Adverb
cat	Yes	No	Yes	No
feline	Yes	Yes	No	No

As nouns, feline is a hypernym of cat; that is, feline is a word with a broader meaning than cat:

cat: feline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats
feline: any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws

Other hypernyms of cat include felid.

As nouns, feline is a hypernym of cat; that is, feline is a word with a broader meaning than cat:

cat: any of several large cats typically able to roar and living in the wild
feline: any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws

Other hypernyms of cat include felid.

cat (noun)	feline (noun)
feline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats	any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws
any of several large cats typically able to roar and living in the wild
a whip with nine knotted cords
a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work
the leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant
a spiteful woman gossip
an informal term for a youth or man

cat (adjective)	feline (adjective)
	of or relating to cats

cat (verb)	feline (verb)
eject the contents of the stomach through the mouth
beat with a cat-o'-nine-tails