start vs originate

start is a noun but originate is not a noun.

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

As verbs, start and originate are synonyms defined as:

Other synonyms of start include initiate.

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

Other hyponyms of start include break out, erupt, bud, break out, kick in, set in, dawn.

start (noun)	originate (noun)
the act of starting something
a sudden involuntary movement
a turn to be a starter (in a game at the beginning)
the advantage gained by beginning early (as in a race)
a signal to begin (as in a race)
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

start (verb)	originate (verb)
take the first step or steps in carrying out an action	bring into being
set in motion, cause to start	come into existence; take on form or shape
play in the starting lineup	begin a trip at a certain point, as of a plane, train, bus, etc.
bring into being
get off the ground
begin or set in motion
get going or set in motion
depart for someplace
bulge outward
move or jump suddenly, as if in surprise or alarm
begin work or acting in a certain capacity, office or job
begin an event that is implied and limited by the nature or inherent function of the direct object
have a beginning, in a temporal, spatial, or evaluative sense
have a beginning characterized in some specified way