はがき・葉書・葉書き・端書・端書き・羽書hagaki[0]heiban (flat)

1. nounpostcard
   はがきにこの切手きってを貼はって郵便箱ゆうびんばこに投函とうかんしなさい。↗

   Put this stamp on the postcard and drop it in the mailbox.
2. nounmemo; note; card

• Synonym郵便はがきゆうびんはがきNeutralThe official term for a postcard issued by Japan Post with the postage printed on it; more formal than 「葉書」.
• SynonymポストカードNeutralA loanword for postcards printed with pictures, illustrations or photos; common in product names and more decorative than 「葉書」.

Use 「葉書」 for postcards in general. 「郵便はがき」 is the official name for Japan Post postcards with prepaid postage; 「ポストカード」 is the loanword for picture postcards, common in product names.

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

1. はしがき。
2. 葉書はがき。