jump vs start

jump and start both are nouns.

Word	Noun	Adjective	Verb	Adverb
jump	Yes	No	Yes	No
start	Yes	No	Yes	No

As nouns, jump and start are synonyms defined as:

Other synonyms of jump include startle.

As verbs, jump and start are synonyms defined as:

Other synonyms of jump include startle.

As verbs, start is a hypernym of jump; that is, start is a word with a broader meaning than jump:

jump: start (a car engine whose battery is dead) by connecting it to another car's battery
start: get going or set in motion

Other hypernyms of jump include start up.

jump (noun)	start (noun)
the act of jumping; propelling yourself off the ground	the act of starting something
a sudden involuntary movement	a sudden involuntary movement
descent with a parachute	a turn to be a starter (in a game at the beginning)
(film) an abrupt transition from one scene to another	the advantage gained by beginning early (as in a race)
an abrupt transition	a signal to begin (as in a race)
a sudden and decisive increase	the beginning of anything
	a line indicating the location of the start of a race or a game
	the time at which something is supposed to begin

jump (verb)	start (verb)
increase suddenly and significantly	take the first step or steps in carrying out an action
rise in rank or status	set in motion, cause to start
go back and forth; swing back and forth between two states or conditions	play in the starting lineup
pass abruptly from one state or topic to another	bring into being
bypass	get off the ground
make a sudden physical attack on	begin or set in motion
enter eagerly into	get going or set in motion
move forward by leaps and bounds	depart for someplace
cause to jump or leap	bulge outward
move or jump suddenly, as if in surprise or alarm	move or jump suddenly, as if in surprise or alarm
run off or leave the rails	begin work or acting in a certain capacity, office or job
start (a car engine whose battery is dead) by connecting it to another car's battery	begin an event that is implied and limited by the nature or inherent function of the direct object
jump down from an elevated point	have a beginning, in a temporal, spatial, or evaluative sense
jump from an airplane and descend with a parachute	have a beginning characterized in some specified way
be highly noticeable