"the science of the sounds uttered by the human voice or used in a particular language, phonetics; that part of grammar which treats of pronunciation; the system of sounds and of their combinations in a language," 1799, from phono- + -logy. Related: Phonologist; phonologic.
phonograph
phonographic
phonography
phonolite
phonological
phonology
phonomania
phonophobia
phony
phooey
phoresis