15 strokes
                                                    
                        Jouyou kanji
            Taught in 8th grade
    
                                                    JLPT exam level N1
                                            ear, ear (grain), head, crest (wave)
Kun'yomi
- ほ - ear (of a cereal plant) ②point (of a brush, spear, etc.) ③crest (of a wave) ④scion (in grafting) 
On'yomi
- スイ 
Nanori
- お 
- こう 
- のり 
- ほい 
Character Breakdown
ear, ear (grain), head
ほ こう スイ (8th, N1)
two-branch tree radical (no. 115)
カ いね (Kentei Pre-1)
References
| Unicode hex code | 7A42 | 
| JIS X 0208 | 1-42-70 | 
| Nelson, A. Classic Nelson | 3300 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 4168 | 
| Halpern, J. New Japanese-English Character Dictionary | 1232 | 
| Halpern, J. Kodansha Kanji Dictionary | 1575 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 833 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 1139 | 
| Heisig, J. Remembering The Kanji | 909 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 975 | 
| Gakken A New Dictionary of Kanji Usage | 1485 | 
| O'Neill, P.G. Japanese Names | 2308 | 
| O'Neill, P.G. Essential Kanji | 1637 | 
| Morohashi Daikanwajiten | 25236P | 
| Henshall, K. A Guide To Remembering Japanese Characters | 1460 | 
| Spahn and Hadamitzky Kanji and Kana | 1221 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 1284 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 1592 | 
| Kask, A. Tuttle Kanji Cards | 1786 | 
| Nishiguchi & Kono Kanji in Context | 1856 | 
| Kodansha Kodansha Compact Kanji Guide | 1446 | 
| Maniette, Y. Les Kanjis dans la tete | 918 | 
| Tuttle Dictionary Descriptor Code | 5d10.2 | 
| Four corner code | 2593.6 | 
| De Roo Code | 2258 |