hyperpiesia vs hyperpiesis

hyperpiesia and hyperpiesis both are nouns.

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

As nouns, hyperpiesia and hyperpiesis are synonyms defined as:

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

Other synonyms of hyperpiesia include essential hypertension.

hyperpiesia (noun)	hyperpiesis (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