organisation, organise, organiser

or·​ga·​ni·​sa·​tion, or·​ga·​nise, or·​ga·​nis·​er

British spellings of organization, organize, organizer

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organing
organisation
organism
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“Organisation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/organisation. Accessed 30 Oct. 2025.

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