weigh down vs bear down on

weigh down and bear down on both are verbs.

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

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

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

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