v. to rival,  match, equal
n. rival, match, equal, comparison

Wo lost fron wah ney dov, ahrk fin reyliik do jul, voth aan suleyk wah ronit faal krein!
Who was kin to both wyrm, and the races of man, with a power to rival the sun!
(Book, Songs of Skyrim)

Does not mean ‘rival’ as in ‘foe’ or ‘opponent’. Denotes someone or something that is equal.

May share root with ronaan ‘archer’, ronax ‘regiment’, and ronit ‘rival’ pertaining to warfare.