Wake Island vs Wake

Wake Island and Wake both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wake Island	Yes	No	No	No
Wake	Yes	No	No	No

As nouns, Wake Island and Wake are synonyms defined as:

Wake Island and Wake: an island in the western Pacific between Guam and Hawaii

Wake Island (noun)	Wake (noun)
an island in the western Pacific between Guam and Hawaii	an island in the western Pacific between Guam and Hawaii