Prosody

Prosody is the study of elements of speech that are not individual phonetic segments (vowels and consonants) but which are properties of syllables and larger units of speech, including linguistics function such as intonation, stress, and rhythm. Such elements are known as suprasegmentals.

Sources:

Jones, D. (2011). Roach, P., Setter, J., & Esling, J. (eds.), Cambridge English Pronouncing Dictionary (18th ed.). Cambridge University Press.