metacyesis vs ectopic pregnancy

metacyesis and ectopic pregnancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
metacyesis	Yes	No	No	No
ectopic pregnancy	Yes	No	No	No

As nouns, metacyesis and ectopic pregnancy are synonyms defined as:

metacyesis and ectopic pregnancy: pregnancy resulting from gestation elsewhere than in the uterus

Other synonyms of metacyesis include eccyesis, ectopic gestation, extrauterine gestation, extrauterine pregnancy.

metacyesis (noun)	ectopic pregnancy (noun)
pregnancy resulting from gestation elsewhere than in the uterus	pregnancy resulting from gestation elsewhere than in the uterus