snore vs external respiration

snore and external respiration both are nouns.

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

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

snore: 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 snore include breathing, respiration, ventilation.

snore (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
the rattling noise produced when snoring

snore (verb)	external respiration (verb)
breathe noisily during one's sleep