便箋・便せん|びんせんbinsen[0]heiban (flat)

1. nounwriting paper; stationery; notepaper
   その便びんせんには校章こうしょうが打ち出うちだしにされている。↗

   The note is embossed with the school emblem.

• SynonymレターペーパーNeutralLoanword for letter paper, mostly in product names; in everyday speech 「便箋」 is the usual word.
• Related書簡箋しょかんせんWrittenWritten/formal word for letter paper; seen mostly in product names and stationery shops.
• Related用箋ようせんNeutralPaper for writing, letters included, as in 「会社の用箋」; its range of use is slightly broader than 「便箋」.
• Related書翰紙WrittenWritten/formal word for letter paper, synonymous with 「便箋」 but more dignified; rarely used.
• Related書簡紙WrittenWritten/formal word for letter paper, close in meaning to 「書翰紙」; rare — in everyday speech say 「便箋」.

For paper to write letters on, 「便箋」 is the everyday word, as in 「便箋と封筒」. 「用箋」 covers writing paper more broadly; 「書簡箋」 and 「レターペーパー」 turn up mainly in product names, while 「書翰紙」 and 「書簡紙」 are rare formal words.

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

1. 手紙てがみを書かくための紙かみ。また、それを綴とじたもの。