Lumi

Lumi is also used as a masculine name in Finnish. However, it's 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/Unisex_name
https://forebears.io/x/forenames/lumi

This name was also used in Estonian, albeit rarely.