bump vs demote

bump is a noun but demote is not a noun.

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

As verbs, bump and demote are synonyms defined as:

Other synonyms of bump include break, kick downstairs, relegate.

bump (noun)	demote (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

bump (verb)	demote (verb)
knock against with force or violence	assign to a lower position; reduce in rank
remove or force from a position of dwelling previously occupied
to play music at loud volume
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