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• Sion
  Sion

  noun

  a town in and the capital of Valais, in SW Switzerland.
• -sion
  -sion

  a noun suffix appearing in loanwords from Latin.

Sion

¹ American  

[syawn] / sjɔ̃ /

noun

1. a town in and the capital of Valais, in SW Switzerland.

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Sion ² American  

[sahy-uhn] / ˈsaɪ ən /

noun

1. Zion.

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-sion ³ American  

1. a noun suffix appearing in loanwords from Latin.

   compulsion.

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Sion British  

noun

1. Latin name: Sedunum. a town in SW Switzerland, capital of Valais canton, on the River Rhône. Pop: 27 171 (2000)

2. a variant of Zion

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Etymology

Origin of -sion

< Latin, equivalent to -s ( us ), variant of -tus past participle suffix + -iōn- -ion

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Example Sentences

See Examples For:

Sion -sion

The SolarStratos plane made the landmark flight from Sion airport in southwest Switzerland on August 12 last year, taking advantage of warm air thermals to beat a 15-year-old record.

From Barron's ● Oct. 16, 2026

Authorities said the plane took off from Sion airport in the Rhône Valley and, for unknown reasons, crashed into a mountain slope about 10 minutes later.

From BBC ● Sep. 17, 2026

Sion Slaymaker, head of emergency response at Mid and West Wales Fire and Rescue Service, said climate change was already "having a real impact".

From BBC ● May 20, 2026

This follows investor concern earlier this month that new Chief Executive Martin Sion would withdraw guidance, Wilkie says.

From The Wall Street Journal ● Apr. 17, 2026

On the morrow there came an alarm that he was dead, whereupon I escaped across the mountain to Pentré y Foelas, to the old man Sion Dafydd, to read his old books.”

From Wild Wales The People, Laguage & Scenery by George Henry Borrow

What should be done with the terminations -able, -ible, -tion, -cial, -tive, -ive, and -sion?

From Division of Words Rules for the Division of Words at the Ends of Lines, with Remarks on Spelling, Syllabication and Pronunciation by Frederick W. (Frederick William) Hamilton

Words which in their shortest form end in -d, -de, -ge, -unit, -rt, -se, -sr, take the ending -sion; e.g., abscind, abscission; include, inclusion; emerge, emersion; remit, remission; infuse, infusion; repress, repression.

From Division of Words Rules for the Division of Words at the Ends of Lines, with Remarks on Spelling, Syllabication and Pronunciation by Frederick W. (Frederick William) Hamilton

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