Why Does English Spelling Not Match the Sounds? A Change That Arrived Too Late

Between roughly the fourteenth and eighteenth centuries, the long vowels of English shifted position systematically, with each moving to a higher position in the mouth and the highest ones becoming diphthongs since they could go no further. The vowel in a word like name, previously pronounced with a sound like the one in father, moved towards the sound in there and then to its present value. The vowel in feet, previously like the one in fate, moved to its modern value. The vowel in time, previously like the one in team, became a diphthong. Each vowel moved into the space the one above it had vacated, which is why the change is described as a chain and why it affected the whole system rather than individual words.

The consequences are visible throughout modern spelling:

• •The letters representing long vowels have values unlike their values in other European languages
• •Words spelled alike are pronounced differently, since some vowels shifted and others did not
• •Silent letters survive from a period when they were sounded
• •Related words diverged in sound while keeping related spellings, as in divine and divinity
• •Rhymes in older poetry no longer work
• •The spelling preserves a pronunciation nobody has used for centuries

Spelling froze at the wrong moment for a specific set of reasons. Printing arrived in England in the 1470s, in the middle of the shift, and printers standardised on forms then current, which locked in a pronunciation already changing. Early printers included Flemish workmen who introduced some conventions from their own language. The rise of dictionaries and of schooling entrenched the standard through the following centuries. Later reformers added letters to reflect supposed classical origins, inserting a letter into debt and doubt on the model of Latin words that were not actually their sources, which made the mismatch worse. And English borrowed enormously from languages with their own spelling conventions, importing those conventions along with the words.

Vowel systems continue to move and several current shifts have been documented in detail. A chain shift across cities around the North American Great Lakes has been moving vowels in a coordinated sequence since the mid twentieth century, documented by large-scale surveys of recorded speech. Another shift across the southern United States moves a different set. In England, changes in the vowels of southern speech have been tracked across generations, and features once regional have spread widely. In New Zealand and Australia, short front vowels have raised noticeably within living memory, which recordings from early in the twentieth century demonstrate directly. The mechanism appears to be the same as the historical case, in that a vowel moving leaves space that a neighbour moves into, and the process is observable rather than reconstructed.

Reconstructing sounds nobody recorded is possible through several converging lines of evidence. Rhymes and puns in verse indicate which words sounded alike at the time of writing. Spellings by poorly educated writers reveal pronunciation, since somebody writing phonetically records what they hear rather than what the standard requires. Statements by contemporary grammarians and spelling reformers describe sounds explicitly, occasionally in enough detail to reconstruct the articulation. Loanwords into and out of English carry evidence of their sound at the time of borrowing. Regional dialects preserve earlier stages, since the shift proceeded differently and incompletely in the north, which is why several northern pronunciations look archaic and are. The convergence of these lines is what makes the reconstruction reliable.

Long vowels each moved to a higher position over several centuries, with the highest becoming diphthongs, which shifted the whole system as a chain. Printing arrived in the middle of the change and froze spellings already becoming inaccurate. Rhymes, phonetic misspellings, contemporary grammarians and surviving northern dialects together reconstruct what the sounds were.