Baykal vs Lake Baikal

Baykal and Lake Baikal both are nouns.

Word	Noun	Adjective	Verb	Adverb
Baykal	Yes	No	No	No
Lake Baikal	Yes	No	No	No

As nouns, Baykal and Lake Baikal are synonyms defined as:

Baykal and Lake Baikal: the largest freshwater lake in Asia or Europe and the deepest lake in the world

Other synonyms of Baykal include Baikal, Lake Baykal.

Baykal (noun)	Lake Baikal (noun)
the largest freshwater lake in Asia or Europe and the deepest lake in the world	the largest freshwater lake in Asia or Europe and the deepest lake in the world