boost vs booster

boost and booster both are nouns.

Word	Noun	Adjective	Verb	Adverb
boost	Yes	No	Yes	No
booster	Yes	No	No	No

boost (noun)	booster (noun)
the act of giving hope or support to someone	an additional dose that makes sure the first dose was effective
the act of giving a push	the first stage of a multistage rocket
an increase in cost	an amplifier for restoring the strength of a transmitted signal
	a thief who steals goods that are in a store
	someone who is an active supporter and advocate
	a person who backs a politician or a team etc.

boost (verb)	booster (verb)
increase or raise
give a boost to; be beneficial to
push or shove upward, as if from below or behind
increase
contribute to the progress or growth of