As nouns the difference between terms and gatha
is that terms is while gatha is (zoroastrianism) any of the 17 hymns included in the avesta believed to have been composed by zarathustra (zoroaster) himself.
terms
English
Noun
(head)
Statistics
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gatha
Noun
(
en noun)
(Zoroastrianism) any of the 17 hymns included in the Avesta believed to have been composed by Zarathustra (Zoroaster) himself