Authors:

Many words are in a state of mutation, the pronunciation being unsettled even in the best society, a result that must often arise where language is as variable and undetermined as the English.

"The American Democrat: Or, Hints on the Social and Civic Relations of the United States of America". Book by James F. Cooper, 1838.
Many words are in a state of mutation, the pronunciation being unsettled even in the best society, a result that must often arise where language is as variable and undetermined as the English.