13 strokes
                                                    
                        Jouyou kanji
            Taught in 8th grade
    
                                                    JLPT exam level N2
                                            zero, spill, overflow, nothing, cipher
Kun'yomi
- ぜろ 
- こ - ぼ - す - to spill ②to grumble (about) ③to let (one's feelings) show 
- こ - ぼ - れ - る - to spill ②to peek through ③to escape (of a smile, tear, etc.) 
On'yomi
- レ - イ - zero 
Character Breakdown
Contained In
References
| Unicode hex code | 96F6 | 
| JIS X 0208 | 1-46-77 | 
| Nelson, A. Classic Nelson | 5048 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 6524 | 
| Halpern, J. New Japanese-English Character Dictionary | 2792 | 
| Halpern, J. Kodansha Kanji Dictionary | 3467 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 1786 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 2433 | 
| Heisig, J. Remembering The Kanji | 1402 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 1504 | 
| Gakken A New Dictionary of Kanji Usage | 1206 | 
| O'Neill, P.G. Essential Kanji | 1106 | 
| Morohashi Daikanwajiten | 42242 | 
| Henshall, K. A Guide To Remembering Japanese Characters | 1922 | 
| Spahn and Hadamitzky Kanji and Kana | 1823 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 1972 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 998 | 
| Kask, A. Tuttle Kanji Cards | 1686 | 
| Nishiguchi & Kono Kanji in Context | 1687 | 
| Kodansha Kodansha Compact Kanji Guide | 1864 | 
| Maniette, Y. Les Kanjis dans la tete | 1414 | 
| Tuttle Dictionary Descriptor Code | 8d5.4 | 
| Four corner code | 1030.7 | 
| De Roo Code | 3144 |