Savitar vs Savitr

Savitar and Savitr both are nouns.

Word	Noun	Adjective	Verb	Adverb
Savitar	Yes	No	No	No
Savitr	Yes	No	No	No

As nouns, Savitar and Savitr are synonyms defined as:

Savitar and Savitr: an important Hindu god; the sun in its life-giving aspect

Savitar (noun)	Savitr (noun)
an important Hindu god; the sun in its life-giving aspect	an important Hindu god; the sun in its life-giving aspect