acapnia vs hypocapnia

acapnia and hypocapnia both are nouns.

Word	Noun	Adjective	Verb	Adverb
acapnia	Yes	No	No	No
hypocapnia	Yes	No	No	No

As nouns, acapnia and hypocapnia are synonyms defined as:

acapnia and hypocapnia: a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing

acapnia (noun)	hypocapnia (noun)
a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing	a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing