schnorkel vs schnorchel

schnorkel and schnorchel both are nouns.

Word	Noun	Adjective	Verb	Adverb
schnorkel	Yes	No	No	No
schnorchel	Yes	No	No	No

As nouns, schnorkel and schnorchel are synonyms defined as:

schnorkel 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 schnorkel include breather, snorkel, snorkel breather.

schnorkel (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