English alphabet 24 letters of the Latin alphabet first (including ampersand), then 5 additional English letters, starting with the Tironian note "ond" (⁊), an insular symbol for "and": In the orthography of Modern English, thorn (þ), eth (ð), wynn (ƿ), yogh (), ash (æ), and ethel (œ) are obsolete. Latin borrowings reintroduced homographs of ash and ethel into Middle English and Early Modern English, though they are largely obsolete (see "Ligatures in recent usage" below), and where they are used they are not considered to be separate letters (e.g. for collation purposes), but rather ligatures. Thorn and eth were both replaced by
Phonological history of English high back vowels Old English texts). There was also a pair of back vowels of mid-height, and , written (the longer one often in modern editions). The same four vowels existed in the Middle English system. The short vowels were still spelt and , but long came to be spelt as , and as . Generally the Middle English vowels descended from the corresponding Old English ones, although there were certain alternative developments – see Phonological history of Old English#Changes leading up to Middle and Modern English. Due to Middle English open syllable lengthening, short was mostly lengthened to (an opener back vowel)