blow vs bump

blow and bump both are nouns.

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

As nouns, blow and bump are synonyms defined as:

blow (noun)	bump (noun)
a powerful stroke with the fist or a weapon	an impact (as from a collision)
forceful exhalation through the nose or mouth	something that bulges out or is protuberant or projects from its surroundings
street names for cocaine	a lump on the body caused by a blow
an impact (as from a collision)
an unpleasant or disappointing surprise
an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
a strong current of air

blow (verb)	bump (verb)
exhale hard	knock against with force or violence
free of obstruction by blowing air through	remove or force from a position of dwelling previously occupied
melt, break, or become otherwise unusable	to play music at loud volume
burst suddenly	to enjoy some music greatly
shape by blowing	dance erotically or dance with the pelvis thrust forward
show off	come upon, as if by accident; meet with
cause to be revealed and jeopardized	assign to a lower position; reduce in rank
allow to regain its breath
deposit eggs (of insects)
be in motion due to some air or water current
cause to move by means of an air current
leave; informal or rude
cause air to go in, on, or through
spout moist air from the blowhole
play or sound a wind instrument
make a sound as if blown
sound by having air expelled through a tube
provide sexual gratification through oral stimulation
spend lavishly or wastefully on
spend thoughtlessly; throw away
make a mess of, destroy or ruin
be inadequate or objectionable
be blowing or storming