Suffix - a word part added to the end of a word. Suffixes change the meaning or part of speech of a word.
1. -ic means associated with
Example - athletic (associated with exercise/sports)
2. -ism means act or process
Example - heroism
3. -ive means doing something
Example - exclusive
Notes: When you add -ic or -ive to a word that ends in e, drop the e. For example, defense changes to defensive.
4. -able means can be done (breakable, likable, noticeable)
5. -ible means can be done (collapsible, reversible)
Notes: The suffix -able changes a verb into an adjective. For example, laugh can be changed to laughable.
When a word includes the suffix -able or -ible, there are no sound cues to show you which way to spell the suffix. Adding -able or -ible to a base word may require a spelling change. For example, the word force drops its e and uses the suffix -ible to form forcible.
Suffixes -ize, -ance, -ence, -ist
The word summary means "a brief statement that includes only main ideas or events." If you know what summary means, you can figure out that summarize means "to give a brief statement including only main ideas or events."
anthology to anthologize
rely to reliance
science to scientist
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-ous means "full of" or "having"
-ous suffix can also appear as -eous and -ious
The word dangerous means "full of danger".
Example words are famous, courteous, envious, and poisonous.