Let’s go through each word one by one. We need to find the root word — that’s the main part of the word without the prefix (added at the beginning) or suffix (added at the end).
1.
preheat
- “Pre-” is a prefix meaning “before.”
- Remove “pre-”, and you’re left with
heat.
→ Root word:
heat
2.
unkind
- “Un-” is a prefix meaning “not.”
- Remove “un-”, and you’re left with
kind.
→ Root word:
kind
3.
breathless
- “-less” is a suffix meaning “without.”
- Remove “-less”, and you’re left with
breath.
→ Root word:
breath
4.
quickly
- “-ly” is a suffix that turns an adjective into an adverb.
- Remove “-ly”, and you’re left with
quick.
→ Root word:
quick
5.
overlook
- “Over-” is a prefix meaning “too much” or “above.”
- Remove “over-”, and you’re left with
look.
→ Root word:
look
6.
defrost
- “De-” is a prefix meaning “reverse” or “remove.”
- Remove “de-”, and you’re left with
frost.
→ Root word:
frost
7.
wonderful
- “-ful” is a suffix meaning “full of.”
- Remove “-ful”, and you’re left with
wonder.
→ Root word:
wonder
8.
comfortable
- “-able” is a suffix meaning “can be done.”
- Remove “-able”, and you’re left with
comfort.
→ Root word:
comfort
9.
submarine
- “Sub-” is a prefix meaning “under.”
- Remove “sub-”, and you’re left with
marine.
→ Root word:
marine
10.
undersea
- “Under-” is a prefix meaning “below.”
- Remove “under-”, and you’re left with
sea.
→ Root word:
sea
Final Answer:
1. heat
2. kind
3. breath
4. quick
5. look
6. frost
7. wonder
8. comfort
9. marine
10. sea
Parent Tip: Review the logic above to help your child master the concept of prefixes and suffixes worksheet 6th grade.
