nonconductor vs dielectric

nonconductor and dielectric both are nouns.

Word	Noun	Adjective	Verb	Adverb
nonconductor	Yes	No	No	No
dielectric	Yes	No	No	No

As nouns, nonconductor and dielectric are synonyms defined as:

nonconductor and dielectric: a material such as glass or porcelain with negligible electrical or thermal conductivity

Other synonyms of nonconductor include insulator.

nonconductor (noun)	dielectric (noun)
a material such as glass or porcelain with negligible electrical or thermal conductivity	a material such as glass or porcelain with negligible electrical or thermal conductivity