THESAURUS
phonetician
dialectician, etymologer, etymologist, glossarist, glossographer, grammarian, grammaticaster, grammatist, lexicographer, lexicologist, linguist, linguistic scholar, linguistic scientist, linguistician, orthoepist, paleographer, philologaster, philologer, philologian, philologist, phonemicist, phoneticist, phonologist, semanticist, semasiologist