Sample Words From List
courageous
delightful
humorous
wonderful
marvelous
mountainous
studious
wasteful
outrageous
poisonous
rebellious
successful
Take a look at the sample words.
What do you notice about these words?
They all have a suffix -ful, -ous, -ious.
What do you think delightful means?
(adjective) very pleasing
What do you think vigorous means?
(adjective) strong and energetic
What do you think furious means?
(adjective) very angry
How do you think we could sort these words?
By their suffix -ful, -ous, -ious.
Let's practice sorting the words. Practice Sort
What do you think all the suffixes mean?
full of or having the qualities of For example, poisonous - it is "full of poison" or "has the qualities of poison.
Do you notice any spelling changes in the base word when you add one of these suffixes?
Yes - rebel to rebellious (the l is doubled)
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