accent
noun
1.
distinctive manner of oral expression
Derived from:
accentuate 2.
3.
the usage or vocabulary that is characteristic of a specific group of people
Derived from:
accentuate 4.
the relative prominence of a syllable or musical note (especially with regard to stress or pitch)
5.
a diacritical mark used to indicate stress or placed above a vowel to indicate a special pronunciation