Homoglyph

Different glyphs which are visually similar The homoglyphsU+0061 a LATIN SMALL LETTER A andU+0430 а CYRILLIC SMALL LETTER A overlaid. In the image, both characters are set in Helvetica LT Std Roman. In orthography and typography, a homoglyph is a glyph that is used for either of a pair (or more) of distinct graphemes, or even a glyph whose shape appears identical or very similar to the glyph used for another grapheme. The designation is also applied to sequences of characters sharing these properties. Examples of homoglyphic letters may be drawn from the Cyrillic and Latin alphabets. For example, a typical representative glyph for the Cyrillic letter Es is С, which is rarely distinguished from the glyph for the Latin letter C in the same typeface (or computer font). An extreme example is the hyphen-minus (-), which is widely used outside professional typography for any of hyphen, minus or en dash. Among digits and letters, the digit 1 (one) and the lowercase letter l ('ell') are always encoded separately but in many typefaces are given very similar glyphs. The same issue arises with the digit 0 (zero) and capital O ('oh'). Virtually every example of a homoglyphic pair of characte