Add a Suffix
Morphology Lab
What Does It Mean?
Fix the Word
Choose the Best Word
100

Add a suffix to thought to describe someone who considers other people’s feelings.

thoughtful

100

Break helpful into its base word and suffix. What does the whole word mean?

help + -ful; giving help

100

Does fearless mean full of fear or without fear?

without fear

100

Fix carefull.

Careful

100

“The class worked ___.” (quiet / quietly)

quietly

200

Add a suffix to enjoy to name the pleasure someone gets from an activity.

enjoyment

200

In boxes, which part means “more than one”? Is box still a noun?

-es; yes

200

What does hopeless mean?

without hope

200

Fix brushs.

Brushes

200

“Her ___ made everyone smile.” (kind / kindness)

kindness

300

Add a suffix to happy to name the feeling. Watch what happens to the y.

happiness

300

Break kindness into two parts. How does the suffix change kind?

kind + -ness; it changes a describing word into a noun naming a quality

300

What does the suffix -ful mean in hopeful?

full of or having hope

300

Fix slowful in “The turtle moved slowful.”

slowly

300

“Please carry the glass ___.” (careful / carefully)

carefully

400

Add a suffix to safe to name the condition of being protected. Watch what happens to the e.

safety

400

Hopeful and hopeless have the same base. Which morpheme gives each word its opposite meaning?

-ful means having hope; -less means without hope

400

Explain how helpful and helpless have different meanings.

helpful gives help; helpless needs help or cannot help oneself

400

Fix kindlyness.

kindness

400

“We saw ___ behind the curtain.” (movement / movingly)

movement

500

Add two suffixes to thought to complete this sentence: “She ______ included the new student in the game.”

thoughtfully

500

Break carefully into three meaningful parts. What does each suffix add?

care + -ful + -ly; careful means showing care, and carefully tells how an action is done

500

What is the difference between darkness and darkly?

darkness names a condition; darkly describes how something is done

500

Correct both errors: “The foxs moved quickful through the woods.”

“The foxes moved quickly through the woods.”

500

Complete both blanks with forms of hope: “The team was ___, and they waited ___ for the results.”

hopeful; hopefully

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