Seneca Lake vs Lake Seneca

Seneca Lake and Lake Seneca both are nouns.

Word	Noun	Adjective	Verb	Adverb
Seneca Lake	Yes	No	No	No
Lake Seneca	Yes	No	No	No

As nouns, Seneca Lake and Lake Seneca are synonyms defined as:

Seneca Lake and Lake Seneca: a glacial lake in central New York; the largest of the Finger Lakes

Seneca Lake (noun)	Lake Seneca (noun)
a glacial lake in central New York; the largest of the Finger Lakes	a glacial lake in central New York; the largest of the Finger Lakes