Dialectology

noun a regional accent is a way of speaking a language that is characteristic of a particular region or group of people

• The linguist studied the variations in pronunciation caused by regional accents.
• I can tell where someone is from based on their regional accent.
• Her regional accent is so thick, it's hard to understand her sometimes.
• His regional accent was like a melody that reminded me of home.

adjective relating to or using multiple dialects

• The linguist studied the phenomenon of multidialectal variations in different regions.
• My friend is so good at switching between different dialects, she's like a multidialectal chameleon.
• I love how my grandma can speak in a multidialectal way, it's so cool.
• The artist's work was described as multidialectal, blending different cultural influences seamlessly.

noun a person who studies accents, particularly in linguistics

• Accentologists study the phonetic and phonological properties of accents in different languages.
• I heard accentologists can determine where someone is from based on their accent.
• Those accentologists are like accent detectives, figuring out where people come from just by how they talk.
• To accentologists, accents are like fingerprints, each one unique and telling a story.