preeclampsia vs pre-eclampsia

preeclampsia and pre-eclampsia both are nouns.

Word	Noun	Adjective	Verb	Adverb
preeclampsia	Yes	No	No	No
pre-eclampsia	Yes	No	No	No

As nouns, preeclampsia and pre-eclampsia are synonyms defined as:

preeclampsia and pre-eclampsia: abnormal state of pregnancy characterized by hypertension and fluid retention and albuminuria; can lead to eclampsia if untreated

preeclampsia (noun)	pre-eclampsia (noun)
abnormal state of pregnancy characterized by hypertension and fluid retention and albuminuria; can lead to eclampsia if untreated	abnormal state of pregnancy characterized by hypertension and fluid retention and albuminuria; can lead to eclampsia if untreated