Translation

urufu means "Wolf" in English.
It's a katakanization, a loan-word.

urufu is normally written with katakana, as ウルフ.
urufu written with hiragana is うるふ.
urufu does not have kanji.
Romaji u ru fu
Katakanaウルフ
Hiraganaうるふ

Synonyms

ookami 狼, Canis lupus.
tategami-ookami 鬣狼.