press down on vs bear down

press down on and bear down both are verbs.

Word	Noun	Adjective	Verb	Adverb
press down on	No	No	Yes	No
bear down	No	No	Yes	No

As verbs, press down on and bear down are synonyms defined as:

Other synonyms of press down on include bear down on, drag down, weigh down.

press down on (verb)	bear down (verb)
exert a force with a heavy weight	exert a force or cause a strain upon
	pay special attention to
	exert full strength
	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