運輸|うんゆun'yu[1]atamadaka (head-high)

1. nountransportation
   サービス産業さんぎょうには、通信つうしん、運輸うんゆ、流通りゅうつう、金融きんゆうをはじめものの生産せいさんには関係かんけいないたくさんの分野ぶんやが含ふくまれる。↗

   Service industries include communication, transportation, distribution, finance and a host of other areas which do not involve production of goods.

• Synonym輸送ゆそうWrittenWritten term for carrying people or goods by vehicle, on any scale, as in 「物資を輸送する」; 運輸 is mostly a general name for the industry or its agencies.
• Synonym運送うんそうNeutralCarrying passengers or freight, often the carrier's business, as in 「運送会社」; 運輸 is close but appears more in industry and administrative names like 「運輸業」.
• Synonym運搬うんぱんNeutralHauling goods elsewhere, takes 「する」, as in 「運搬作業」, distance irrelevant; 運輸 broadly covers passenger and freight transport, mostly in industry names.
• Synonym搬送はんそうWrittenWritten word for sending goods or patients elsewhere, as in 「救急搬送」, common in medical and equipment contexts; 運輸 is not used for taking someone to hospital.
• Synonym移送いそうWrittenWritten, legal-flavored term for transferring people or things to another place, or handing a case to another court; 運輸 is ordinary passenger and freight transport.
• SynonymトランスポートNeutralLoanword for transport, used mainly in technical terms and names and rare in everyday speech; for the transport industry say 運輸.
• SynonymトランスポーテーションWrittenLoanword for transport and the means of transport, hardly ever used in daily life; say 運輸 or 輸送 for passenger and freight transport.
• Related運ぶはこぶNeutralEveryday verb and the most common choice, for carrying or transporting things, and also for how a matter progresses; 運輸 is a written noun mostly for the industry.
• Related持ち運ぶもちはこぶNeutralVerb for carrying something in your hands or on your person, stressing portability; 運輸 is about moving passengers and goods by vehicle.
• Related持ち運びもちはこびNeutralNoun for carrying something around, as in 「持ち運びに便利」; unlike 運輸, it is not about the industry level.

「運輸」 is the industry-level term, as in 「運輸業」. Use 「輸送」 for moving people or goods by vehicle, 「運送」 for carrier business, 「運ぶ」 in daily speech, 「運搬」 for hauling, 「搬送」 for medical transfer, 「移送」 in legal contexts; the loanwords are technical.

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

1. 旅客りょかく・貨物かもつを運はこぶこと。