Difference between Diacritical Mark and Diacritic

DIACRITICAL MARK vs DIACRITIC: NOUN

A symbol in writing used with a letter to indicate a different pronunciation, stress, tone, or meaning, also called "tone marks" when used to indicate tones, e.g. in Vietnamese or pinyin (romanised Mandarin Chinese).
A mark added to a letter to indicate a special pronunciation

A special mark added to a letter to indicate a different pronunciation, stress, tone, or meaning.
A diacritical mark (which see, under diacritical).
A mark, such as the cedilla of façade or the acute accent of resumé, added to a letter to indicate a special phonetic value or distinguish words that are otherwise graphically identical.
A mark added to a letter to indicate a special pronunciation

Denoting a distinguishing mark applied to a letter or character.
Distinguishing
That separates or distinguishes; -- applied to points or marks used to distinguish letters of similar form, or different sounds of the same letter, as, ā, ă, ä, ō, ŏ, etc.
Diagnostic or distinctive.
Diacritical.
Capable of distinguishing

Metagraphy, Ecthlipsis, Pronunciation, Imparisyllabic, Orthographer, Dieresis, Acute accent, Transliteration, Punctuation, Grave accent, Iotacism, Pasigraphy, Metaphony, Vocoid, Diacritic

Parisyllabic, Metagraphy, Minimal pair, Cyrillic, Circumflexed, Cyrillic alphabet, Imparisyllabic, Latin alphabet, Ecthlipsis, Vowelize, Acute accent, Grave accent, Discriminating, Diacritical mark, Diacritical

Metagraphy, Ecthlipsis, Pronunciation, Imparisyllabic, Orthographer, Dieresis, Acute accent, Transliteration, Punctuation, Grave accent, Iotacism, Pasigraphy, Metaphony, Vocoid, Diacritic

Parisyllabic, Metagraphy, Minimal pair, Cyrillic, Circumflexed, Cyrillic alphabet, Imparisyllabic, Latin alphabet, Ecthlipsis, Vowelize, Acute accent, Grave accent, Discriminating, Diacritical mark, Diacritical

Whenever a combining diacritical mark is used in a document, the font in use should be tested to confirm that it is rendered acceptably.
It is an accent or other diacritical mark that is added to the previous character.

The present application discloses methods and systems to transliterate Semitic languages including diacritic support.
In its later forms, attempts were made to improve the consonantry through diacritic marks.
English uses the umlaut also, just not a diacritic to mark it.
Various languages using the Latin alphabet sort their diacritic letters differently.
Supports Unicode, TACE, TSCII, TAB, TAM, Bamini, Shreelipi, Diacritic, Vanavil, Softview.
BS followed by a diacritic symbol would produce an accented letter.
Similar considerations apply for many other characters with diacritic marks.
The original Greek alphabet did not have diacritic accents.
Diacritic checks chiefly show up in printable worksheet.
If the search query contains a diacritic, the match becomes diacritic sensitive.