Translation guide
A small chain or ring for holding keys. In Japanese, the most common term is キーホルダー, but other words exist depending on the type.
The most common way to refer to a keychain, often with a charm or decoration.
The standard loanword for 'keychain' or 'key holder'. Used for both functional and decorative keychains.
このキーホルダーは友達からのお土産です。
This keychain is a souvenir from a friend.
新しいキーホルダーを買った。
I bought a new keychain.
Refers specifically to a key ring, the metal loop that holds keys. Less common for decorative items.
キーリングに鍵を通す。
Put the key on the key ring.
A less common loanword, sometimes used for a chain-style keychain. キーホルダー is more natural.
そのキーチェーンは長いチェーンが付いている。
That keychain has a long chain attached.
A plain metal ring for holding keys, without decoration.
The most direct term for a simple key ring.
キーリングが壊れたので、新しいのを買わないと。
The key ring broke, so I need to buy a new one.
A native Japanese word for key ring, but rarely used in everyday speech. キーリング is more common.
鍵輪に鍵を付ける。
Attach the key to the key ring.
A device or object for holding keys, often mounted on a wall.
Can also refer to a wall-mounted key holder, though context is needed.
玄関にキーホルダーを掛ける。
Hang a key holder in the entrance.
Literally 'key hook', a rack or hook for hanging keys. Not a common standalone word.
鍵掛けに鍵を掛けておく。
Hang the keys on the key hook.
For most situations, キーホルダー is the safest and most natural choice. It covers both decorative and functional keychains.
かわいいキーホルダーを見つけた。
I found a cute keychain.