bear down on vs weigh down

bear down on and weigh down both are verbs.

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

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

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

bear down on (verb)	weigh down (verb)
exert a force with a heavy weight	exert a force with a heavy weight
sail towards another vessel, of a ship	be oppressive or disheartening to