acrylic vs acrylic fiber

acrylic and acrylic fiber both are nouns.

Word	Noun	Adjective	Verb	Adverb
acrylic	Yes	No	No	No
acrylic fiber	Yes	No	No	No

As nouns, acrylic and acrylic fiber are synonyms defined as:

acrylic (noun)	acrylic fiber (noun)
a synthetic fabric made from polyacrylonitrile	polymerized from acrylonitrile
used especially by artists
a glassy thermoplastic; can be cast and molded or used in coatings and adhesives
polymerized from acrylonitrile