stertor vs external respiration

stertor and external respiration both are nouns.

Word	Noun	Adjective	Verb	Adverb
stertor	Yes	No	No	No
external respiration	Yes	No	No	No

As nouns, external respiration is a hypernym of stertor; that is, external respiration is a word with a broader meaning than stertor:

stertor: the act of snoring or producing a snoring sound
external respiration: the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation

Other hypernyms of stertor include breathing, respiration, ventilation.

stertor (noun)	external respiration (noun)
the act of snoring or producing a snoring sound	the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation