Suffixes that create nouns:
* -ion: instruction (the act of instructing)
* -or: instructor (a person who instructs)
Suffixes that create adjectives:
* -ive: instructive (providing instruction)
* -able: instructable (capable of being instructed)
Suffixes that create verbs:
* -ed: instructed (past tense of instruct)
* -ing: instructing (present participle of instruct)
You can also use suffixes to create more specific meanings, such as:
* -er: instructer (a person who instructs, less formal than "instructor")
* -ment: instrument (a tool or device used for instructing)
* -ory: inductory (relating to an introduction or introductory instruction)
Remember that the meaning of the word will change depending on the suffix you use.