Search gender: all male female Sunu Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sunu Katakana: スンウ 0 Kanji: 承佑 Meaning: 承Inheritance. Consent. 佑Help. To cover up. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Sunu Boy Name Meaning, Kanji Variations.