genus Moloch vs reptile genus

genus Moloch and reptile genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Moloch	Yes	No	No	No
reptile genus	Yes	No	No	No

As nouns, reptile genus is a hypernym of genus Moloch; that is, reptile genus is a word with a broader meaning than genus Moloch:

genus Moloch (noun)	reptile genus (noun)
genus of Australian desert lizard	a genus of reptiles