商品|しょうひんshouhin[1]atamadaka (head-high)

1. nouncommodity; article of commerce; goods; stock; merchandise
   食料品しょくりょうひんと衣類いるいの陳列ちんれつ台だいにある商品しょうひんは非常ひじょうに安やすかった。↗

   Goods at the food and clothing stalls were very cheap.

• Synonym品物しなものNeutralNeutral word for items or goods in general, as in 「品物を選ぶ」; broader than 「商品」, which is limited to things for sale.
• Synonym商い物あきないものWrittenWritten-style word for goods bought and sold; it carries an old-fashioned tone and is rarely used in modern Japanese.
• Synonym商いものCasualThe kana spelling of 「商い物」; same sense of traded goods, but extremely rare today.
• Related商売物CasualColloquial for things you sell; also figuratively one's bread and butter, as in 「体は商売物」. For ordinary goods, 「商品」 is the usual word.

Default to 「商品」 for goods bought and sold. Use 「品物」 for things in general, 「商売物」 colloquially for what you sell (or figuratively your livelihood), and 「商い物」/「商いもの」 only for an old-fashioned flavor.

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

1. 売買ばいばいの対象たいしょうとなる品物しなもの。財ざい。