How to say "filling" in Japanese

• 中身なかみJLPT N2approx.Common
  nounWhat is inside something — the contents or interior as opposed to the container or outer part. For food, it can mean the filling inside, contrasted with the outside.
  財布さいふの中身なかみをこの袋ふくろに空あけなさい。↗

  Empty the purse into this bag.
• 充填じゅうてんCommon
  noun, suru verb, transitive verbThe act of filling something up rather than the stuff inside: replenishing, filling in a tooth, loading a gun with ammunition or a camera with film.
• あんこCommon
  nounSpecifically the sweet bean paste used as the filling of a manjū and similar confections; it is the word for that paste itself, not a general term for any filling.

Use 中身 for the contents or interior of something, 「あんこ」 for the sweet bean paste inside a manjū, and 充填 for the act of filling something up — replenishing, filling a tooth, loading a gun or camera.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 中身なかみcontents
• 充填じゅうてんfilling (up)
• スタッフstuffing (in Western cuisine)
• 装填そうてんloading
• ボリューミーvoluminous (hair, clothing, etc.)
• 詰め物つめものfilling
• フィリングfilling
• 充盈じゅうえいfilling (something up)
• 腹にたまるはらにたまるfilling (meal)
• てんこ盛りてんこもりpiling up high (food in a bowl)
• 目止めめどめwood filling
• 湛水たんすいflooding
• 射込みいこみstuffing
• てこもりpiling up high (food in a bowl)
• あんfilling (of a dumpling, etc.)
• あんこfilling (e.g. of a manjū)