Nithya

Nithya is also used as a masculine given name in South Asian languages, alongside Nitya. A known male bearer of the given name Nithya is Nithyananda. However, Nithya is more common for females. So, I think that the "Gender" of this name should be changed from "Feminine" to "Feminine & Masculine".

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Sources: https://en.m.wikipedia.org/wiki/Nithya
https://en.m.wikipedia.org/wiki/Nithyananda
https://forebears.io/forenames/nithya