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# 12.14: More Practice with Prefixes, Suffixes, and Bound Bases

Difficulty Level: At Grade Created by: CK-12

## More Practice with Prefixes, Suffixes, and Bound Bases

1. Show any assimilations and other changes as you analyze each of the following words. All of the words in each group contain the same bound base:

Word = Prefix + Bound Base + Suffix
referent = + +
conferred = + +
transferring = + +
preference = + +
affection = + +
confection = + +
defective = + +
infected = + +
perfectly = + +
concepts = + +
acceptance = + +
deceptive = + +
excepting = + +
inception = + +
intercepted = + +
perceptive = + +
reception = + +

2. Analyze each of the following words into the elements as indicated in the Formula column. In the Formula column “P” means “Prefix,” “BB” means “Bound Base,” and “S” means “Suffix.” Be sure to show any assimilations. You have worked with all of the bound bases and most of the prefixes and suffixes. We have helped you with some tricky ones:

3. Try some the other way around. Combine the elements into words. Show any assimilations:

Elements = Word
in + ex + fect + ive + ly =
re + spect + abil + ity =
in + per + cept + ible =
com + gest + ed =
pro + spect + ing =
re + in + fect + ed =
re + cept + ion + ist + s =
un + ad + cept + able =
syn + stem + atic =

Word Histories. Here are two words that - surprisingly enough - originally contained the prefix dis-: dine and dinner.

The word dine comes from the Old French word disner, which came from the Latin word disj\begin{align*}\bar{e}\end{align*}j\begin{align*}\bar{u}\end{align*}n\begin{align*}\bar{a}\end{align*}re, which meant “to break one's fast.” (In French breakfast is called petit dejeuner.) The dis- prefix is clear in the French and Latin words but it is so well hidden in the modern English spelling and pronunciation that we treat dine as a free base, with no prefix. The word dinner is related to dine.

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