I nelde spirits (the three spirits) that is what it's called in Quenya elvish, here's what it's called in others

I neled spirits (in Sindarin)

(In Tengwar)

Ul ga spirits (in orcish)

[Facts about the three spirits]

The three spirits are Pilindi, the earth soul of Nidavellir. Ázë, the sun and light of the lands of Nidavellir. Mornië the moon and darkness of the lands of Nidavellir

Pilindi: the earth soul of Nidavellir is Pilindi, they have many names in different languages but they are the balance between light and dark, wemen and men, break the balance you break all that is of Nidavellir, Ázë and Mornië are their siblings and can use both of their magic powers as well as both of their siblings.

Ázë: the sun and light and the sister of the three siblings and also has many names in different languages, she's nice but if you hurt her, you'll have to face Mornië.

Mornië: the darkness of Nidavellir and the brother of the three siblings, and also has many names in different languages along with his siblings, he's only nice, caring and protective towards his siblings, the rest of the time he has hatred in his soul for the people that wronged him when he was alive