Yama is the Persian Yima, and the name of Kerberos may have been once an adjective applied to the dog that guarded the path to paradise; but other particular conceptions that gather about each god point only to a period of Indo-Iranian unity.
Of the great nature-gods the sun is more than Aryan, but doubtless was Aryan, for S[=u]rya is Helios, but Savitar is a development especially Indian.

Dy[=a]us-pitar is Zeus-pater, Jupiter.[19] Trita, scarcely Triton, is the Persian Thraetaona who conquers Vritra, as does Indra in India.

The last, on the other hand, is to be referred only hesitatingly to the demon A[=n]dra of the Avesta.

Varuna, despite phonetic difficulties, probably is Ouranos; but Asura (Asen ?) is a title of many gods in India's first period, while the corresponding Ahura is restricted to the good spirit, [Greek: kat hexochen].

The seven [=A]dityas are reflected in the _Amesha Cpentas_ of Zoroastrian Puritanism, but these are mere imitations, spiritualized and moralized into abstractions.