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Was Cory Doctorow, who is alleged to have coined the word “enshittification” (‘You can’t make billions without hurting people’: Cory Doctorow on Elon Musk, the AI bubble and bosses’ cruel fantasies, 24 June), merely borrowing and translating the French word emmerdement? This has a long and colourful history extending at least to the novelist Gustave Flaubert, who is cited as an early user.
David Walker
Sheffield

• Jerry Emery complains about you using “made-up words” after “roflmao” appeared in your cryptic crossword (Letters, 21 June). I think he should remember that all words are made up by somebody. Having said that, I admit I hadn’t heard that one before, and was a bit put out when I had to reveal it in the crossword online.
Hilary Clarkson
Manfield, North Yorkshire

• Fifty years ago I had cavity wall insulation installed to keep the house warm. During the current heatwave, the first thing most visitors comment on is how cool the house feels. Money well spent.
Jim Grindle
Formby, Merseyside

• I hope someone will spare a thought for poor Andrew Mountbatten-Windsor who – as he claims – is unable to sweat. I would, but it’s just too darn hot!
Marlies Branston
Bedford

• England failed to score in our last World Cup match, but against our next opponents, Panama, I hope to see someone getting a hat-trick.
Alan Green
London

• “Carspreading” (Report, 24 June)? Isn’t “autobesity” a better word?
Andrew Sayer
Lancaster

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