skyscraper vs edifice

skyscraper and edifice both are nouns.

Word	Noun	Adjective	Verb	Adverb
skyscraper	Yes	No	No	No
edifice	Yes	No	No	No

As nouns, edifice is a hypernym of skyscraper; that is, edifice is a word with a broader meaning than skyscraper:

skyscraper: a very tall building with many stories
edifice: a structure that has a roof and walls and stands more or less permanently in one place

Other hypernyms of skyscraper include building.

skyscraper (noun)	edifice (noun)
a very tall building with many stories	a structure that has a roof and walls and stands more or less permanently in one place