frontispiece vs frontage

frontispiece and frontage both are nouns.

Word	Noun	Adjective	Verb	Adverb
frontispiece	Yes	No	No	No
frontage	Yes	No	No	No

As nouns, frontage is a hypernym of frontispiece; that is, frontage is a word with a broader meaning than frontispiece:

Other hypernyms of frontispiece include facade, frontal.

frontispiece (noun)	frontage (noun)
front illustration facing the title page of a book	the face or front of a building
an ornamental facade	the extent of land abutting on a street or water
	the direction in which something (such as a building) faces