displace vs bump

displace is not a noun while bump is a noun.

Word	Noun	Adjective	Verb	Adverb
displace	No	No	Yes	No
bump	Yes	No	Yes	No

As verbs, bump is a hyponym of displace; that is, bump is a word with a more specific, narrower meaning than displace:

Other hyponyms of displace include dislocate, dislodge, transfer, transplant, crowd out, force out, evacuate, deracinate, uproot.

displace (noun)	bump (noun)
	an impact (as from a collision)
	something that bulges out or is protuberant or projects from its surroundings
	a lump on the body caused by a blow

displace (verb)	bump (verb)
cause to move, usually with force or pressure	knock against with force or violence
cause to move or shift into a new position or place, both in a concrete and in an abstract sense	remove or force from a position of dwelling previously occupied
take the place of or have precedence over	to play music at loud volume
terminate the employment of; discharge from an office or position	to enjoy some music greatly
	dance erotically or dance with the pelvis thrust forward
	come upon, as if by accident; meet with
	assign to a lower position; reduce in rank