Iraq vs Irak

Iraq and Irak both are nouns.

Word	Noun	Adjective	Verb	Adverb
Iraq	Yes	No	No	No
Irak	Yes	No	No	No

As nouns, Iraq and Irak are synonyms defined as:

Iraq and Irak: a republic in the Middle East in western Asia; the ancient civilization of Mesopotamia was in the area now known as Iraq

Other synonyms of Iraq include Al-Iraq, Republic of Iraq.

Iraq (noun)	Irak (noun)
a republic in the Middle East in western Asia; the ancient civilization of Mesopotamia was in the area now known as Iraq	a republic in the Middle East in western Asia; the ancient civilization of Mesopotamia was in the area now known as Iraq