Uighur vs Uigur

Uighur and Uigur both are nouns.

Word	Noun	Adjective	Verb	Adverb
Uighur	Yes	No	No	No
Uigur	Yes	No	No	No

As nouns, Uighur and Uigur are synonyms defined as:

Uighur and Uigur: the Turkic language spoken by approximately 7,000,000 Uighur in extreme northwestern China

Other synonyms of Uighur include Uighur language, Uigur language, Uygur, Uygur language.

As nouns, Uighur and Uigur are synonyms defined as:

Uighur and Uigur: the script (derived from Aramaic) used to write the Uighur language

Other synonyms of Uighur include Uygur.

As nouns, Uighur and Uigur are synonyms defined as:

Uighur and Uigur: a member of a people who speak Uighur and live in Xinjiang and adjacent areas

Other synonyms of Uighur include Uygur.

Uighur (noun)	Uigur (noun)
the Turkic language spoken by approximately 7,000,000 Uighur in extreme northwestern China	the Turkic language spoken by approximately 7,000,000 Uighur in extreme northwestern China
the script (derived from Aramaic) used to write the Uighur language	the script (derived from Aramaic) used to write the Uighur language
a member of a people who speak Uighur and live in Xinjiang and adjacent areas	a member of a people who speak Uighur and live in Xinjiang and adjacent areas