Wight is pronounced "white". Wight can be found as "wiht". I have heard people pronounce this as "wit". Is this mispronounced or for example dutch white = WIT?
Wight and Wiht is white? - English Language & Usage Stack Exchange
And there's the viral video by Shaun Bloodworth, which is said to have been responsible for saving Ernest Wight from closure. In another ten-year-old video the term is used yet again but by a different filmmaker: “Cliff works as a master scissors putter-togetherer.
at the same time, it has particular associations, that 'island' does not, with being poetic or flowery or in fixed phrases or very particular islands ('Isle of Wight'). So you would be totally understood if you used it instead of island, it is technically correct, but it would sound slightly fancy, like you're trying to be poetic.
0 E E ('Doc') Smith did no better than to press the term wight back into service: wight (plural wights) (archaic): A living creature, especially a human being. [Wiktionary] OED is not so proscriptive, using the caveat [Now archaic or dialect]. Merriam-Webster adds no caveat for the noun, but [archaic] for the adjective.
According to Wright, the verb was common across Ireland, Yorkshire, Wiltshire, Gloucester-shire, Wales, the West Country, and the Isle of Wight. Transferred to a vertical plane, it means ’to bounce’, as in the description of the first football play in Cardiff (1873–4):
In modern everyday use 'Isle' tends to be included in the name by which the place is known, such as the ones you mention plus the Isle of Skye, Isle of Mull, Isle of Wight etc.