kalpac vs calpac

kalpac and calpac both are nouns.

Word	Noun	Adjective	Verb	Adverb
kalpac	Yes	No	No	No
calpac	Yes	No	No	No

As nouns, kalpac and calpac are synonyms defined as:

kalpac and calpac: a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus

Other synonyms of kalpac include calpack.

kalpac (noun)	calpac (noun)
a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus	a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus