modulation of the voice; change in pitch or tone of voice.

Also, flection. Grammar .

the process or device of adding affixes to or changing the shape of a base to give it a different syntactic function without changing its form class.

the paradigm of a word.

a single pattern of formation of a paradigm

noun inflection; verb inflection.

the change in the shape of a word, generally by affixation, by means of which a change of meaning or relationship to some other word or group of words is indicated.

the affix added to produce this change, as the -s in dogs or the -ed in played.

the systematic description of such processes in a given language, as in serves from serve, sings from sing, and harder from hard ( contrasted with derivation ).

a bend or angle.

Mathematics . a change of curvature from convex to concave or vice versa.

noun

monotone

noun

articulation , change , emphasis , enunciation , modulation , pitch , pronunciation , sound , timbre , tonality , tone , tone of voice , variationnotes:in the jargon of grammar , the forms of nouns , pronouns , and adjectives can be arrayed in declensions or inflections ; the forms of verbs are said to be arrayed in conjugations , accent , intonation , bend , curve , variation