Malayan vs Malaysia

Malayan and Malaysia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Malayan	Yes	Yes	No	No
Malaysia	Yes	No	No	No

Malayan (noun)	Malaysia (noun)
a member of a people inhabiting the northern Malay Peninsula and Malaysia and parts of the western Malay Archipelago	a constitutional monarchy in southeastern Asia on Borneo and the Malay Peninsula; achieved independence from the United Kingdom in 1957

Malayan (adjective)	Malaysia (adjective)
of or relating to or characteristic of the people or language of Malaysia and the northern Malay Peninsula and parts of the western Malay Archipelago
of or relating to or characteristic of Malaysia