the.com/linguist
Person who can tell you why you're wrong in six languages.
means Someone who studies how language works — its structure, sounds, history, and quirks — rather than merely speaking many of them.
from From Latin lingua, tongue, surfacing in 16th-century English when polyglots and grammar-pokers shared one inconveniently overlapping label.
Common mix-upStudying language differs from speaking many.
Field rangeSpans phonetics, syntax, meaning, and dialects.
Surprise toolPolice use them to catch fakers.