How to say "premium" in Japanese

• プレミアムCommon
  nounThe loanword, covering the general English sense: premium as in higher-grade or higher-priced goods and services. When English 'premium' would sound natural kept as-is in a Japanese sentence, this is the word.
• 景品けいひんCommon
  nounHere 'premium' means a free gift: an item given away with a purchase or at an event to attract customers. It is always a thing, never a payment.
  その雑誌ざっしの購読こうどく予約よやくをして景品けいひんをもらった。↗

  I got a premium for subscribing to the magazine.
• 掛け金かけきんCommon
  nounCovers 'premium' as money actually paid in: the installments or bills you pay on an insurance policy or similar plan. Think 'payments', not the marketing or gift sense.
  その保険ほけんの掛け金かけきんは１ヶ月かげつ１万いちまん円えんだ。↗

  You pay 10,000 yen a month as an insurance premium.
• 割り増しわりましCommon
  no-adjective, suru verb, transitive verbCovers 'premium' as an extra charge: a surcharge added to a fare, price or pay, often figured as a percentage. Use it when 'premium' means paying more, not receiving something.
  割り増し料金わりましりょうきんはいくらでしたか。↗

  How much was the additional charge?
• 権利金けんりきんCommon
  nounCovers 'premium (payment)': the lump sum, known as key money, paid when leasing an apartment or shop. Beyond this real-estate payment it is not a general word for premium.

Choose by sense: 「プレミアム」 is the general loanword; 景品 a free gift or giveaway; 「掛け金」 the installments you pay in; 「割り増し」 a surcharge; 権利金 the lump sum paid when leasing.

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

• プレミアムpremium
• 景品けいひんgift
• 掛け金かけきんinstallment
• 割増わりましextra (charge, fare, etc.)
• 権利金けんりきんkey money (esp. on an apartment)
• おまけsomething thrown in (with a purchase)
• プレミアpremium
• 割り増し金わりましきんpremium
• 打ち歩うちぶpremium
• 額面超過額がくめんちょうかがくpremium
• 賞与金しょうよきんincentive
• 御膳ごぜんhigh-quality (of a food or drink)