Sindarin 

ruthra-

verb. to rage

_v. _to rage. Q. ursa-. >> oroth, ruthra-

Sindarin [(PE17 Sindarin Corpus) PE17:188] < (U)RUÞ anger, rage, wrath. Group: Parma Eldalamberon 17 Sindarin Corpus. Published by

ruthra-

verb. to rage

Sindarin [PE17/188] Group: Eldamo. Published by

Quenya 

ursa-

verb. to rage

ursa

to rage

ursa (þ) vb. "to rage" (PE17:188)