demon vs daimon

demon and daimon both are nouns.

Word	Noun	Adjective	Verb	Adverb
demon	Yes	No	No	No
daimon	Yes	No	No	No

As nouns, demon and daimon are synonyms defined as:

Other synonyms of demon include daemon, devil, fiend.

demon (noun)	daimon (noun)
an evil supernatural being	an evil supernatural being
a cruel wicked and inhuman person
someone extremely diligent or skillful