taste vs taster

taste and taster both are nouns.

Word	Noun	Adjective	Verb	Adverb
taste	Yes	No	Yes	No
taster	Yes	No	No	No

taste (noun)	taster (noun)
a kind of sensing; distinguishing substances by means of the taste buds	someone who samples food or drink for its quality
delicate discrimination (especially of esthetic values)
the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus
the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth
a brief experience of something
a strong liking
a small amount eaten or drunk

taste (verb)	taster (verb)
experience briefly
take a sample of
perceive by the sense of taste
distinguish flavors
have flavor; taste of something
have a distinctive or characteristic taste