partial abortion vs incomplete abortion

partial abortion and incomplete abortion both are nouns.

Word	Noun	Adjective	Verb	Adverb
partial abortion	Yes	No	No	No
incomplete abortion	Yes	No	No	No

As nouns, partial abortion and incomplete abortion are synonyms defined as:

partial abortion and incomplete abortion: termination of pregnancy without expulsion of all of the products of conception

partial abortion (noun)	incomplete abortion (noun)
termination of pregnancy without expulsion of all of the products of conception	termination of pregnancy without expulsion of all of the products of conception