A range of diacritical marks and symbols which indicate that the sound of a letter is modified during procunciation. While accentss are not a common feature of English. They are relatively common in other languages such as Spanish, French, German and Slavic languages.
And accent above a vowel angled upwards to the right, which indicates that it is close of tense, has a high or rising pitch, a long pronunciation, or that the syllable in which the vowel appears is stressed. From the Latin acutus, meaning ‘sharp’
Shaped like a pointed hat, a circumflex sits above a vowel to indicate that it has a long sound. From the Latin circumflexus, meaning ‘bent around’
Two period over a vowel, which indicate that the sound changes by assimilating the vowel sound of the following syllable. Typical in Germanic languages. From the German um, meaning ‘around’ or ‘alteration’, and laut, meaning ‘sound’. Also called diaeresis.