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# 15.9: VCV and the Suffix -ity

Difficulty Level: At Grade Created by: CK-12

## VCV and the Suffix -ity

1. Mark the two letters — ‘v’ for a vowel and ‘c’ for a consonant — after each of the vowel letters marked with a ‘v’ below:

committee vaccomplish vlistenvadvisorvreducing vsmoking vimmenselyvjudgementvconsistent  vlocalvcourageous vexclusive v\begin{align*} &\text{committee} && \text{advisor} &&\text{immensely} && \text{local} \\ & \ \qquad \text{v} && \quad \text{v} && \quad \text{v} && \text{v} \\ &\text{accomplish} && \text{reducing} && \text{judgement} &&\text{courageous} \\ &\ \quad \text{v} &&\ \quad \text{v} && \text{v} &&\ \quad \text{v} \\ &\text{listen} && \text{smoking} && \text{consistent} && \text{exclusive}\\ & \text{v} &&\ \quad \text{v} &&\ \ \quad \text{v} &&\ \quad \text{v} \end{align*}

2. Sort the words into the following matrix:

3. In the string VCC the vowel is usually _______________. In the string VCV the first vowel is usually _______________.

4. Though it does say “usually,” the rule that says that the first vowel in a VCV string is usually long is a very useful one. Now we are going to look at some of the reasons the VCV rule says “usually” rather than “always.”

Mark the two letters —‘v’ for a vowel and ‘c’ for a consonant — after each of the vowel letters marked with a ‘v’ below and sort them into the matrix:

gravityvgravevcavityvcavevextremity vextreme vserenity vserene vsublimity  vsublime  vprofanity  vprofane  v\begin{align*}&\text{gravity} && \text{extremity} && \text{sublimity}\\ &\quad \text{v} &&\ \quad \text{v} &&\ \ \quad \text{v} \\ &\text{grave} && \text{extreme} && \text{sublime}\\ &\quad \text{v} &&\ \quad \text{v} &&\ \ \quad \text{v} \\ &\text{cavity} && \text{serenity} && \text{profanity}\\ &\quad \text{v} &&\ \quad\text{v} &&\ \ \quad \text{v} \\ &\text{cave} && \text{serene} && \text{profane}\\ & \quad\text{v} &&\ \quad\text{v} &&\ \ \quad \text{v}\end{align*}

5. When the suffix -ity comes right after a VCV string, the first vowel in the string will be ______________.

6. The Suffix -ity Rule. In English the vowel right in front of the suffix -ity will always be short, even in a VCV string.

The Suffix -ity Rule is stronger than the rule that says that the first vowel in a VCV string will be long, and it is the reason for many of the words that have short vowels at the front of VCV strings. It also explains why there is a long <a>\begin{align*}<\text{a}>\end{align*} in a word like sane but a short <a>\begin{align*}<\text{a}>\end{align*} in a word like sanity.

accomplish (8:9:1)

cave (8:9:2)

cavity (8:9:2)

committee (8:9:1)

consistent (8:9:1)

courageous (8:9:1)

exclusive (8:9:1)

extreme (8:9:2)

extremity (8:9:2)

grave (8:9:2)

gravity (8:9:2)

immensely (8:9:1)

judgement (8:9:1)

listen (8:9:1)

local (8:9:1)

profane (8:9:2)

profanity (8:9:2)

reducing (8:9:1)

serene (8:9:2)

serenity (8:9:2)

smoking (8:9:1)

sublime (8:9:2)

sublimity (8:9:2)

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