quarter round vs ovolo

quarter round and ovolo both are nouns.

Word	Noun	Adjective	Verb	Adverb
quarter round	Yes	No	No	No
ovolo	Yes	No	No	No

As nouns, quarter round and ovolo are synonyms defined as:

quarter round and ovolo: a convex molding having a cross section in the form of a quarter of a circle or of an ellipse

Other synonyms of quarter round include thumb.

quarter round (noun)	ovolo (noun)
a convex molding having a cross section in the form of a quarter of a circle or of an ellipse	a convex molding having a cross section in the form of a quarter of a circle or of an ellipse