Synonyms for Tajik (same or very similar meaning)
WordNet sense 1 (a native or inhabitant of Tajikistan and neighboring areas of Uzbekistan and Afghanistan and China):
Tadzhik
WordNet sense 2 (a landlocked mountainous republic in southeast central Asia north of Afghanistan; formerly an Asian soviet):
Tadjik, Tadzhikistan, Tajikistan, Republic of Tajikistan
WordNet sense 3 (the Iranian language of the Tajik that is closely related to Farsi; spoken in Iran and Tajikistan):
Tajiki
From the ODE community, based on WordNet
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