8th Grade Roots & Affixes Quizzes , Questions & Answers

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Decoding Vocabulary: Deconstructing Words into Prefix + Root + Suffix Quiz

Complex words become manageable when broken into parts. In this prefix root suffix quiz, you’ll deconstruct words into prefixes, roots, and suffixes to uncover meaning. You’ll analyze word structure, recognize...

Questions: 20 | Attempts: 65 | Last updated: Jan 7, 2026

Sample Question 1
Break down the word unreliable. What is the meaning of the prefix un-?

In favor of

Before

Not

Together

Sample Question 2
In the word disrespectful, the suffix -ful means 'without.'

True

False

Word Structure: Identify Incorrect Root or Affix Usage in Made-Up Words Quiz

Understanding word structure helps identify what works—and what doesn’t. In this incorrect affix usage quiz, you’ll examine invented words to determine whether roots and affixes are used correctly....

Questions: 20 | Attempts: 13 | Last updated: Jan 7, 2026

Sample Question 1
Which invented word is incorrectly formed because its prefix contradicts the root meaning?

Previsible (pre- + vis + -ible)

Nontreatable (non- + treat + -able)

Submersible (sub- + merge + -ible)

Disrespectful (dis- + respect + -ful)

Sample Question 2
The invented word Postgo is formed correctly using the prefix post- (after) and the common root go (to move).

True

False

8th Grade Roots & Affixes Quizzes , Questions & Answers

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