Which word generated by students from the base word "move" contains a derivational suffix?

The word "mover," generated from the base word "move," includes a derivational suffix, which is "er." This suffix is used to create a noun that signifies someone who performs the action of the verb. In this case, "mover" refers to a person who moves something or someone.

The other options exhibit different aspects of word formation. "Moving" functions as a present participle or gerund form of the verb "move," which provides a sense of ongoing action but does not transform the part of speech. "Removed" is the past participle of the verb "remove," reflecting a completed action rather than creating a new noun form. "Movement" is derived from "move," but it uses the suffix "ment," indicating a process or state rather than introducing a new agent (as "mover" does). Each of these words showcases different morphological elements, but only "mover" entails a derivational change that indicates a new role associated with the action of the verb "move."