snorkel breather vs schnorchel

snorkel breather and schnorchel both are nouns.

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

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

snorkel breather and schnorchel: 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, schnorkel, snorkel.

snorkel breather (noun)	schnorchel (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