Anthropology: language and culture; ethno-linguistics
Child studies: language acquisition and development
Computer science: programming languages; machine translation; "thinking" machines; computational linguistics
Education: language teaching
Dentistry: orthodontics and speech
History: language change over time; historical linguistics
Law: forensic linguistics
Mathematics: formal systems of communication
Medicine: language, mind and brain; neurolinguistics; language pathology
Music: the singing voice
Philosophy: language and reasoning
Physics: voice acoustics; speech synthesis; voice recognition
Psychology: language and cognition; psycholinguistics
Rhetoric: language and persuasion
Sociology: language, ideology, and power; sociolinguistics; critical discourse analysis