group vs Great Lakes

group and Great Lakes both are nouns.

Word	Noun	Adjective	Verb	Adverb
group	Yes	No	Yes	No
Great Lakes	Yes	No	No	No

group (noun)	Great Lakes (noun)
any number of entities (members) considered as a unit	a group of five large, interconnected lakes in central North America
a set that is closed, associative, has an identity element and every element has an inverse
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule

group (verb)	Great Lakes (verb)
arrange into a group or groups
form a group or group together