push down vs pull down

push down and pull down both are verbs.

Word	Noun	Adjective	Verb	Adverb
push down	No	No	Yes	No
pull down	No	No	Yes	No

As verbs, push down and pull down are synonyms defined as:

Other synonyms of push down include cut down, down, knock down.

push down (verb)	pull down (verb)
cause to come or go down	cause to come or go down
	tear down so as to make flat with the ground