curettement vs curettage

curettement and curettage both are nouns.

Word	Noun	Adjective	Verb	Adverb
curettement	Yes	No	No	No
curettage	Yes	No	No	No

As nouns, curettement and curettage are synonyms defined as:

curettement and curettage: surgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette

curettement (noun)	curettage (noun)
surgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette	surgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette