https://en.wikipedia.org/wiki/Pitch-accent_language
A pitch-accent language, when spoken, has word accents in which one syllable in a word or morpheme is more prominent than the others, but the accentuated syllable is indicated by a contrasting pitch (linguistic tone) rather than by loudness (or length), as in many languages, like English.Pitch-accent also contrasts with fully tonal languages like Vietnamese and Standard …