Qatar vs Katar

Qatar and Katar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Qatar	Yes	No	No	No
Katar	Yes	No	No	No

As nouns, Qatar and Katar are synonyms defined as:

Qatar and Katar: an Arab country on the peninsula of Qatar; achieved independence from the United Kingdom in 1971; the economy is dominated by oil

Other synonyms of Qatar include State of Katar, State of Qatar.

As nouns, Qatar and Katar are synonyms defined as:

Qatar and Katar: a peninsula extending northward from the Arabian mainland into the Persian Gulf

Other synonyms of Qatar include Katar Peninsula, Qatar Peninsula.

Qatar (noun)	Katar (noun)
an Arab country on the peninsula of Qatar; achieved independence from the United Kingdom in 1971; the economy is dominated by oil	an Arab country on the peninsula of Qatar; achieved independence from the United Kingdom in 1971; the economy is dominated by oil
a peninsula extending northward from the Arabian mainland into the Persian Gulf	a peninsula extending northward from the Arabian mainland into the Persian Gulf