hyperpiesia vs essential hypertension

hyperpiesia and essential hypertension both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyperpiesia	Yes	No	No	No
essential hypertension	Yes	No	No	No

As nouns, hyperpiesia and essential hypertension are synonyms defined as:

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

Other synonyms of hyperpiesia include hyperpiesis.

hyperpiesia (noun)	essential hypertension (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