cirrus vs cirrhus

cirrus and cirrhus both are nouns.

Word	Noun	Adjective	Verb	Adverb
cirrus	Yes	No	No	No
cirrhus	Yes	No	No	No

As nouns, cirrus and cirrhus are synonyms defined as:

cirrus (noun)	cirrhus (noun)
a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile	usually coiled
a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
usually coiled