Background Information

Suffix is your affixes that appear after the root. Examples: -y, -ment, which, when added to the roots “word” and “judge” make “wordy” and “judgment.” When first introducing students to suffixes, introduce one root group at a time and use suffixes that works for all the words. For example, use regular-verb roots such as dream, and suffixes such as, -er, – ing and -ed to create dreamer, dreaming, and dreamed. Once students understand the concept of suffixes, move on to irregular root words such as go, as well as other roots and suffixes.

Suffixes are more difficult to teach as they often require changing the spelling of the root word or doubling the last consonant in the root word. Students will find it beneficial to concentrate on one or two suffixes per activity

Examples of common suffixes and their meanings:

Suffix.           Result/Meaning.                                                 Examples

-ly.                 Changes an adjective or noun to an adverb      simply, friendly

-ing.               Indicates ongoing or continuous action,            going, teething
also used for adjectives formed by verbs

-ed.                Indicates past tense for regular verbs                struggled, engaged
also used for adjectives formed by verbs

-ment.            changes a verb to a noun                                     establishment, government

-er, -or.           changes a verb into a person who                     teacher, actor
acts upon the verb

-ist.                 changes a noun into a person who studies      violinist, biologist, novelist
or practices in a field to which the noun

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