How to say "sofa" in Japanese

• ソファJLPT N3approx.Common
  nounThis is the everyday word for the piece of furniture, a sofa or couch for sitting in a living room. If you mean furniture, this is the word you want.
  このソファーは場所ばしょを取とりすぎる。↗

  This sofa takes too much room.
• 寝椅子ねいす
  nounA less common word for a sofa, couch, or lounge chair. It is seldom the word you want for an ordinary sofa; ソファ is the usual choice, and this leans toward a chair for reclining.
• 地位協定ちいきょうてい
  nounThis has nothing to do with furniture: it means a status of forces agreement, the treaty abbreviated SOFA in English. Use it only in diplomatic or military contexts.

Use 「ソファ」 for the piece of furniture, 寝椅子 as a less common word for a couch or lounge chair, and 地位協定 only for the military acronym SOFA, never for furniture.

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

• ソファsofa
• 寝椅子ねいすsofa
• 地位協定ちいきょうていstatus of forces agreement