eightvo vs 8vo

eightvo and 8vo both are nouns.

Word	Noun	Adjective	Verb	Adverb
eightvo	Yes	No	No	No
8vo	Yes	No	No	No

As nouns, eightvo and 8vo are synonyms defined as:

eightvo and 8vo: the size of a book whose pages are made by folding a sheet of paper three times to form eight leaves

Other synonyms of eightvo include octavo.

eightvo (noun)	8vo (noun)
the size of a book whose pages are made by folding a sheet of paper three times to form eight leaves	the size of a book whose pages are made by folding a sheet of paper three times to form eight leaves