Barnoob, Carnood, Darnood, Farnood, Harnood, Jarnood, Karnood, Larnood, Marnood, Narnood, Parnood, Rarnood, Sarnood, Tarnood, Varnood, Warnood (this is a perfect rhyme, repeating the ending sound), Zarnood.

Charnobe, Sparnobe, Starnobe (these are slant rhymes, near rhymes, or half rhymes, sharing some similar sounds but not perfectly rhyming).

For more creative options, consider exploring names that use similar sounds or word structures, such as: Warn-something (e.g., Warncliff, Warnstone, Warnbrook), or names that evoke a similar feeling or image to "Warnoob." The possibilities are vast depending on the desired context and meaning.