Fomor vs Fomorian

Fomor and Fomorian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fomor	Yes	No	No	No
Fomorian	Yes	No	No	No

As nouns, Fomor and Fomorian are synonyms defined as:

Fomor and Fomorian: one of a group of Celtic sea demons sometimes associated with the hostile power of nature

Fomor (noun)	Fomorian (noun)
one of a group of Celtic sea demons sometimes associated with the hostile power of nature	one of a group of Celtic sea demons sometimes associated with the hostile power of nature