アクセサリー

アクセサリーをつけるto put on/wear an accessory
彼かの女じょは毎まい日にちアクセサリーをつけて出でかける。
She wears accessories every day when she goes out.
〈物もの〉のアクセサリーan accessory/add-on for a device
このカメラ用ようのアクセサリーを買かった。
I bought an accessory for this camera.
アクセサリーを外はずすto take off an accessory
寝ねる前まえにアクセサリーを外はずした。
I took off my accessories before going to bed.

Related words

装そう身しん具ぐ sense 1
装身具 is a formal, written-style term for personal ornaments like necklaces and rings, while アクセサリー is the everyday loanword for the same things.
付ふ属ぞく品ひん sense 2
付属品 is a general, technical term for attachments or accessory parts of equipment, while アクセサリー in this sense is the more casual, commonly used word for the same idea.
装そう飾しょく品ひん sense 1
装飾品 is a broader, more formal term covering decorative items in general, whereas アクセサリー specifically means wearable fashion items.
ジュエリー
アクセサリー is a broader term covering all kinds of accessories (including non-precious items), while ジュエリー refers specifically to fine pieces made of precious metal and gemstones.
宝ほう飾しょく
アクセサリー is a casual, everyday word for accessories that may or may not use precious materials, whereas 宝飾 specifically implies fine craftsmanship with precious metals and gems.

宝ほう石せきN3sense 1
宝石 refers to the gemstone itself, while アクセサリー refers to the finished piece of jewelry that may or may not contain a 宝石.

個こN5
The all-purpose counter for small discrete objects, used when no more specific counter applies.
点てんN4
In shops, アクセサリー may be counted with 点, though 個 is more natural in everyday conversation.

アクセサリーUsage90%
Standard katakana spelling for the loanword 'accessory'.
アクセサリUsage10%
Shorter variant, sometimes seen in computing or technical contexts, but less common in everyday use.

Loanword from English 'accessory'.