The word is "inflection." It refers to a change in the pitch or tone of the voice during speech, which can convey meaning or emotion.
Languages such as Mandarin Chinese, Thai, and Vietnamese rely heavily on tone to distinguish meaning, with changes in pitch affecting word meanings. In these languages, a single word can have different meanings depending on the tone used.
Linguistic tone refers to the use of pitch (high or low) to distinguish words or meaning in a language. It is a feature found in many languages, particularly in tonal languages where pitch differences can change the meaning of a word.
Terraced level tone is a type of tone pattern where the pitch changes abruptly from one level to another, rather than transitioning smoothly. This is common in some languages in Africa and Asia, where pitch changes in steps rather than gradually across a syllable or word.
The word "voices" has two syllables.
The prefix for the word monotone is "mono-," which means one or single. When added to "tone," the word monotone refers to a sound or voice that is unchanging in pitch or intensity.
Why are you bending that straw? How should I be bending the paper.
Inflect is a word. It means to change something or to bend or curve.=e.g the pitch or tone, or to change the form of a word.=
The word 'voice' is both a verb and a noun.The noun 'voice' is a word for sound produced in a person's larynx and uttered through the mouth, as speech or song; a particular opinion or attitude expressed; the range of pitch or type of tone with which a person sings; a word for a thing.Examples:You are allowed to voice your opinion here. (verb)I recognize that voice. (noun)The newspaper believes that it's the voice of the people. (noun)
refraction
Refraction
One such word is pliable.
The tone and pitch is low. Also the volume raises at times to mark the key word i the poem
The word "voices" has two syllables.
crimp
flexing
voice = kol (קול) voices = kolot (קולות)
Diffraction is separating light into bands using a grid. Refraction is the bending of light.