mezzo-rilievo vs mezzo-relievo

mezzo-rilievo and mezzo-relievo both are nouns.

Word	Noun	Adjective	Verb	Adverb
mezzo-rilievo	Yes	No	No	No
mezzo-relievo	Yes	No	No	No

As nouns, mezzo-rilievo and mezzo-relievo are synonyms defined as:

mezzo-rilievo and mezzo-relievo: a sculptural relief between low relief and high relief

Other synonyms of mezzo-rilievo include half-relief.

mezzo-rilievo (noun)	mezzo-relievo (noun)
a sculptural relief between low relief and high relief	a sculptural relief between low relief and high relief