* Inflection refers to a change in the form of a word to indicate grammatical function. Examples include:
* Pluralization: "cat" to "cats"
* Tense: "walk" to "walked"
* Case: "I" to "me"
"The ending" is a phrase that refers to the conclusion of something, and it doesn't involve any grammatical changes to a word.
Example:
* "The ending of the movie was very satisfying."
Here, "ending" is a noun and doesn't change its form to indicate any grammatical function.