snorkel breather vs schnorkel

snorkel breather and schnorkel both are nouns.

Word	Noun	Adjective	Verb	Adverb
snorkel breather	Yes	No	No	No
schnorkel	Yes	No	No	No

As nouns, snorkel breather and schnorkel are synonyms defined as:

snorkel breather and schnorkel: air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

Other synonyms of snorkel breather include breather, schnorchel, snorkel.

snorkel breather (noun)	schnorkel (noun)
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time	air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time