Ë

Usage notes

 * Although is the standard upper case counterpart to, it's not uncommon to find it substituted by a simple  even in formal contextes such as logos or mass media like television news.

Letter

 * 1) The open-mid central unrounded vowel as used in the Gherdëina variant of Ladin.

Usage notes

 * The letter is generally restricted to stressed syllables, while simple  represents unstressed . However,  is used under certain circumstances to separate strings of vowel letters (e.g. ) or, in French-derived words, to show that the  is not silent (e.g. ).
 * Under certain circumstances, the phoneme is represented by the letter, which see.

Usage notes
Although it is pronounced the same as, it indicates a dialectal pronunciation of.

Letter

 * 1)  ''Letter used for transcription of  Ё / ё.

Etymology 2
Letter with diaeresis  to signify centralization.

Usage notes

 * In Tagalog and its standardized form Filipino, Ë is used to represent the schwa, particularly in words originating from other Philippine languages, for instance Maranao (Mëranaw), Pangasinan, Ilocano, and Ibaloi. Before introduction of this letter, the schwa was ambiguously represented by A or E.
 * Writing the diaeresis is recommended but not required as long as the reader is aware that the unaccented form is supposed to sound like a schwa (/ə/).
 * The use of the diaeresis to represent the central vowel schwa is possibly inspired by the use of the diaeresis in the IPA to represent centralization.