Qatar Peninsula vs Katar

Qatar Peninsula and Katar both are nouns.

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

As nouns, Qatar Peninsula and Katar are synonyms defined as:

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

Other synonyms of Qatar Peninsula include Katar Peninsula, Qatar.

Qatar Peninsula (noun)	Katar (noun)
a peninsula extending northward from the Arabian mainland into the Persian Gulf	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