内ない分ぶん

な

い

ぶ

ん

Meanings

1

noun, noun or participle which takes 'suru'

Refers to something kept within a group or not disclosed publicly; often used in contexts like 内分の話 (confidential talk) or 内分にする (keep secret).

内ない

分ぶん

の

資し

料りょう

を

外がい

部ぶ

に

持も

ち

出だ

し

て

は

いけ

ない

。

Confidential documents must not be taken outside.

秘ひ密みつ
秘密 is a more common word for 'secret', while 内分 emphasizes confidentiality within a group or organization.
内ない緒しょ
内緒 is casual and often used in personal contexts (e.g., keeping a secret from someone), whereas 内分 is more formal and used in business or official settings.

Compound of 内 (inside) and 分 (part, share), literally 'internal portion', extended to mean something kept inside a group.