bear down on vs drag down

bear down on and drag down both are verbs.

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

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

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

bear down on (verb)	drag down (verb)
exert a force with a heavy weight	exert a force with a heavy weight
sail towards another vessel, of a ship