demon vs daemon

demon and daemon both are nouns.

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

As nouns, demon and daemon are synonyms defined as:

Other synonyms of demon include daimon, devil, fiend.

demon (noun)	daemon (noun)
an evil supernatural being	an evil supernatural being
a cruel wicked and inhuman person	a person who is part mortal and part god
someone extremely diligent or skillful