compact vs bear down

compact is a noun but bear down is not a noun.

Word	Noun	Adjective	Verb	Adverb
compact	Yes	Yes	Yes	No
bear down	No	No	Yes	No

As verbs, bear down is a hyponym of compact; that is, bear down is a word with a more specific, narrower meaning than compact:

compact: squeeze or press together
bear down: contract the abdominal muscles during childbirth to ease delivery

Other hyponyms of compact include choke, strangle, prim, astringe, strangulate, convulse, convulse, overbear, choke, fret, gag, choke, scrag.

compact (noun)	bear down (noun)
a small cosmetics case with a mirror; to be carried in a woman's purse
a small and economical car
a signed written agreement between two or more parties (nations) to perform some action

compact (adjective)	bear down (adjective)
closely and firmly united or packed together
briefly giving the gist of something
having a short and solid form or stature

compact (verb)	bear down (verb)
squeeze or press together	exert a force or cause a strain upon
compress into a wad	pay special attention to
make more compact by or as if by pressing	exert full strength
have the property of being packable or of compacting easily	to make a rush at or sudden attack upon, as in battle
	exert a force with a heavy weight
	contract the abdominal muscles during childbirth to ease delivery