Search gender: all male female 核 Japanese Boy Names Variations. 2 names found. gender: all male female Name: kaku Katakana: カク 0 Kanji: 核 Meaning: 核The point of the matter Name: kakuto Katakana: カクト 0 Kanji: 核人 Meaning: 核The point of the matter 人People. Human beings. Humanity. Every single person. People. Grown-ups. Adults. Personality. Character. A word used to count people. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 核 Japanese Boy Names Variations.