sampler vs miscellanea

sampler and miscellanea both are nouns.

Word	Noun	Adjective	Verb	Adverb
sampler	Yes	No	No	No
miscellanea	Yes	No	No	No

As nouns, miscellanea is a hypernym of sampler; that is, miscellanea is a word with a broader meaning than sampler:

Other hypernyms of sampler include assortment, miscellany, mixed bag, mixture, motley, potpourri, salmagundi, smorgasbord, variety.

sampler (noun)	miscellanea (noun)
a piece of embroidery demonstrating skill with various stitches	a collection containing a variety of sorts of things
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