Hephaistos vs Greek mythology

Hephaistos and Greek mythology both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hephaistos	Yes	No	No	No
Greek mythology	Yes	No	No	No

Hephaistos (noun)	Greek mythology (noun)
(Greek mythology) the lame god of fire and metalworking in ancient mythology; identified with Roman Vulcan	the mythology of the ancient Greeks