Which letter was added last to the modern English alphabet?

Hints

Its modern use developed much later than several other letters.
It began as an alternate way of writing a letter already in the alphabet.
Its name is pronounced with a long “ay” sound at the end.

Reveal the answer

Answer: J

Also accepted: Letter J

J was originally written as a variation of the letter I. During the 16th century, it gradually became recognized as a separate letter with its own sound, making it one of the last letters added to the modern English alphabet.

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