sow vs swine

sow and swine both are nouns.

Word	Noun	Adjective	Verb	Adverb
sow	Yes	No	Yes	No
swine	Yes	No	No	No

As nouns, swine is a hypernym of sow; that is, swine is a word with a broader meaning than sow:

sow (noun)	swine (noun)
an adult female hog	stout-bodied short-legged omnivorous animals

sow (verb)	swine (verb)
introduce into an environment
place (seeds) in or on the ground for future growth
place seeds in or on (the ground)