hyperpiesis vs hyperpiesia

hyperpiesis and hyperpiesia both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyperpiesis	Yes	No	No	No
hyperpiesia	Yes	No	No	No

As nouns, hyperpiesis and hyperpiesia are synonyms defined as:

hyperpiesis and hyperpiesia: persistent and pathological high blood pressure for which no specific cause can be found

Other synonyms of hyperpiesis include essential hypertension.

hyperpiesis (noun)	hyperpiesia (noun)
persistent and pathological high blood pressure for which no specific cause can be found	persistent and pathological high blood pressure for which no specific cause can be found