weigh down vs bear down

weigh down and bear down both are verbs.

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

As verbs, weigh down and bear down are synonyms defined as:

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

weigh down (verb)	bear down (verb)
exert a force with a heavy weight	exert a force or cause a strain upon
be oppressive or disheartening to	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