curettage vs curettement

curettage and curettement both are nouns.

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

As nouns, curettage and curettement are synonyms defined as:

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

curettage (noun)	curettement (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