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15.10: More Practice with -ity

Difficulty Level: At Grade Created by: CK-12

More Practice with -ity

1. The Suffix -ity Rule. The vowel right in front of the suffix -ity always be _______, even in VCV strings.

2. The suffix -ity is added to adjectives to turn them into nouns. Analyze each of the following nouns into an adjective plus -ity showing any changes:

Noun = Adjective + Suffix
liberality =
productivity =
intensity =
electricity =
publicity =
mentality =
captivity =
reality =

3. Now try some the other way around. Combine the adjectives with -ity to form nouns, showing any changes:

Adjective + Suffix = Noun
sublime + ity =
productive + ity =
rational + ity =
serene + ity =
personal + ity =
grave + ity =
extreme + ity =
public + ity =
local + ity =
divine + ity =

4. In Items 2 and 3 above there are sixteen different words that have have short vowels at the head of a VCV string right in front of the suffix -ity. List the sixteen words below:

5. The suffix -ity can also be added to bound stems to form nouns. Analyze each of the following nouns into bound stem plus suffix. They all combine by simple addition:

Noun = Bound stem + -ity
dignity = dign + ity
humility =
ability =
eternity =
quantity =
quality =
charity =
sanctity =
necessity =
capacity =
velocity =
celebrity =

6. Six of the twelve words in 5 have short vowels at the head of a VCV string that is right in front of the suffix -ity. List the six below:

Word Blocks. Sort the words in the blocks of the pyramids into the two rows of blocks under each pyramid and you will make two words: The first word will be an adjective. The second word will be a noun made of the first word plus the suffix -ity. When you add the suffix -ity in the second word, the stress will shift to the vowel right in front of the suffix. Mark the stress in each word you make:


Word One: Adjective that means “slow to learn; not intelligent”:

Word Two: Adjective + ity = Noun that means “the condition of being slow to learn and not intelligent”:


Word One: Adjective meaning “known by all or most people; open”:

Word Two: Adjective + ity = Noun meaning “information that brings something to the attention of many people”:

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Date Created:

Feb 23, 2012

Last Modified:

Jan 16, 2015
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