sampler vs taste-tester

sampler and taste-tester both are nouns.

Word	Noun	Adjective	Verb	Adverb
sampler	Yes	No	No	No
taste-tester	Yes	No	No	No

As nouns, sampler and taste-tester are synonyms defined as:

sampler and taste-tester: someone who samples food or drink for its quality

Other synonyms of sampler include taste tester, taster.

sampler (noun)	taste-tester (noun)
a piece of embroidery demonstrating skill with various stitches	someone who samples food or drink for its quality
an observation station that is set up to make sample observations of something
an assortment of various samples
someone who samples food or drink for its quality