1) Change 2) Curvature 3) Declension 4) Inflection 5) Paradigm 6) Paradigmatic 1) French word used in English 2) Grammatical relation 3) Inflection 
• (n.) Inflection.
(in-flek´shәn) inflection.
In·flex'ion noun Inflection. 
(Inflection (inflexion / inflect / inflects / inflected)) The way words can change their form to show, for example, that they are singular or plural (e.g. table becomes tables) and to indicate tense (e.g. change becomes changes/ changed/ changing) or possession (The cat's whiskers).…
inflection, inflexion 1. Deviation from a straight or normal course. 2. To change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function. 3. The patterns of stress and intonation in a language. 4. Modulation of the voice; change in pitch or tone of voice. 5. The process or device of adding affixes to ...
inflection.