Ireland vs Irish

Ireland and Irish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ireland	Yes	No	No	No
Irish	Yes	Yes	No	No

Ireland (noun)	Irish (noun)
an island comprising the republic of Ireland and Northern Ireland	the Celtic language of Ireland
a republic consisting of 26 of 32 counties comprising the island of Ireland; achieved independence from the United Kingdom in 1921	whiskey made in Ireland chiefly from barley
	people of Ireland or of Irish extraction

Ireland (adjective)	Irish (adjective)
	of or relating to or characteristic of Ireland or its people