glycogenesis vs changeover

glycogenesis and changeover both are nouns.

Word	Noun	Adjective	Verb	Adverb
glycogenesis	Yes	No	No	No
changeover	Yes	No	No	No

As nouns, changeover is a hypernym of glycogenesis; that is, changeover is a word with a broader meaning than glycogenesis:

glycogenesis: the conversion of glucose to glycogen when the glucose in the blood exceeds the demand
changeover: an event that results in a transformation

Other hypernyms of glycogenesis include conversion, transition.

glycogenesis (noun)	changeover (noun)
the conversion of glucose to glycogen when the glucose in the blood exceeds the demand	an event that results in a transformation
the formation in animals of glycogen from glucose