confine to vs keep down

confine to and keep down both are verbs.

Word	Noun	Adjective	Verb	Adverb
confine to	No	No	Yes	No
keep down	No	No	Yes	No

As verbs, keep down is a hyponym of confine to; that is, keep down is a word with a more specific, narrower meaning than confine to:

Other hyponyms of confine to include hold down, number, cap, curb, curtail, cut back, restrict.

confine to (verb)	keep down (verb)
restrict or confine within limits	manage not to throw up
	place a limit on the number of
	put down by force or intimidation