air embolism vs unwellness

air embolism and unwellness both are nouns.

Word	Noun	Adjective	Verb	Adverb
air embolism	Yes	No	No	No
unwellness	Yes	No	No	No

As nouns, unwellness is a hypernym of air embolism; that is, unwellness is a word with a broader meaning than air embolism:

air embolism: pain resulting from rapid change in pressure
unwellness: impairment of normal physiological function affecting part or all of an organism

Other hypernyms of air embolism include illness, malady, sickness.

air embolism (noun)	unwellness (noun)
obstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba diving	impairment of normal physiological function affecting part or all of an organism
pain resulting from rapid change in pressure