tzarina vs czaritza

tzarina and czaritza both are nouns.

Word	Noun	Adjective	Verb	Adverb
tzarina	Yes	No	No	No
czaritza	Yes	No	No	No

As nouns, tzarina and czaritza are synonyms defined as:

Other synonyms of tzarina include czarina, tsarina, tsaritsa.

tzarina (noun)	czaritza (noun)
the wife or widow of a czar	the wife or widow of a czar