Search gender: all male female ソウセツ Japanese Boy Names Variations. 1 names found. gender: all male female Name: sosetsu Katakana: ソウセツ 0 Kanji: 窓雪 Meaning: 窓Window 雪Snow. A metaphor for something as white as snow. To cleanse. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ソウセツ Japanese Boy Names Variations.