hypercarbia vs hypercapnia

hypercarbia and hypercapnia both are nouns.

Word	Noun	Adjective	Verb	Adverb
hypercarbia	Yes	No	No	No
hypercapnia	Yes	No	No	No

As nouns, hypercarbia and hypercapnia are synonyms defined as:

hypercarbia and hypercapnia: the physical condition of having the presence of an abnormally high level of carbon dioxide in the circulating blood

hypercarbia (noun)	hypercapnia (noun)
the physical condition of having the presence of an abnormally high level of carbon dioxide in the circulating blood	the physical condition of having the presence of an abnormally high level of carbon dioxide in the circulating blood