vacuum aspiration vs curettage

vacuum aspiration and curettage both are nouns.

Word	Noun	Adjective	Verb	Adverb
vacuum aspiration	Yes	No	No	No
curettage	Yes	No	No	No

As nouns, curettage is a hypernym of vacuum aspiration; that is, curettage is a word with a broader meaning than vacuum aspiration:

vacuum aspiration: a method of induced abortion; prior to the 14th week of gestation the embryo and placenta are removed by applying suction to the dilated cervix
curettage: surgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette

Other hypernyms of vacuum aspiration include induced abortion, curettement.

vacuum aspiration (noun)	curettage (noun)
a method of induced abortion; prior to the 14th week of gestation the embryo and placenta are removed by applying suction to the dilated cervix	surgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette