Ladoga vs Lake Ladoga

Ladoga and Lake Ladoga both are nouns.

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

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

Ladoga and Lake Ladoga: a lake in northwestern Russia to the north of St. Petersburg; the largest lake in Europe; drains through the Neva River into the Gulf of Finland

Ladoga (noun)	Lake Ladoga (noun)
a lake in northwestern Russia to the north of St. Petersburg; the largest lake in Europe; drains through the Neva River into the Gulf of Finland	a lake in northwestern Russia to the north of St. Petersburg; the largest lake in Europe; drains through the Neva River into the Gulf of Finland