商しょう業ぎょう組くみ合あい

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Meanings

1

noun

A cooperative organization of businesses in the same trade, often for mutual benefit, standard-setting, or advocacy.

商make a deal, selling, dealing in

業business, vocation, arts

組association, braid, plait

合fit, suit, join

業ぎょう界かい団だん体たい
業界団体 is a broader term for any industry group, while 商業組合 specifically implies a cooperative association of commercial businesses.
協きょう同どう組くみ合あい
協同組合 is a cooperative (often consumer or agricultural), whereas 商業組合 is a trade association of businesses in commerce.

Compound of 商業 (commerce) and 組合 (association, union).