Karelian alphabet are from the ISO basic Latin alphabet, five are derived from basic Latin letters by the addition of diacritical marks, and the final character is the apostrophe, which signifies palatalization of the preceding sound. The entire range of sounds of native Karelian words is intended to be represented by this set of characters. This unified alphabet was approved in 2007 as a replacement for the separate Olonets Karelian and Karelian Proper alphabets. The letters Ä and Ö are vowels which, unlike the German umlauts, are considered to be distinct and are alphabetized separately from the corresponding vowels without the umlauts.
Phonological history of English high front vowels are homophones, but "bed", "bad" or "med", "mad" are kept distinct. For others, it occurs in all positions. The "met"–"mate" merger is a phenomenon occurring for some speakers of Zulu English in which and are both pronounced . As a result, the words "met" and "mate" are homophonous as . Phonological history of English high front vowels The high and mid-height front vowels of English (vowels of "i" and "e" type) have undergone a variety of changes over time, often varying from dialect to dialect. Middle English had a long close front vowel , and two long mid front vowels: