Search gender: all male female 七禾 Japanese Names Variations. 1 names found. gender: all male female Name: nanaka Katakana: ナナカ 3 Kanji: 七禾 Meaning: 七Seven. Seventh. Kanji character for the number 7 (seven). Many times. 禾Rice. A general term for grains. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 七禾 Japanese Names Variations.