Jason Xu
Linguistics
The pages I keep on language — from speech sounds to language death.
Phonetics
The study of speech sounds — how they are produced, transmitted, and perceived.
Phonetics–Phonology Interface
How physical speech sounds interact with abstract, rule-governed patterns.
Phonology
The patterns and systems of sounds in a language, and how they function.
Morphophonology
How sound patterns and word structure influence each other.
Morphology
The structure and formation of words — prefixes, roots, and suffixes.
Syntax
Sentence structure and the rules that govern how words combine.
Semantics
Meaning in language — how words and sentences convey it.
Sociolinguistics
How language varies and changes in social contexts.
Language documentation
Recording, analyzing, and preserving endangered languages for future study.
Evolutionary linguistics
How the human capacity for language originated — and how languages evolved.
