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18 Cards in this Set
- Front
- Back
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Plural Rule # 1
For most words... |
add an -S to the end of the word.
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Plural Rule # 2
For words ending in -s, -z, -ch, -sh (and nonmedical -x)... |
add an -ES to the end of the word.
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Plural Rule # 3A
For words ending in -y (when preceded by a consonant)... |
change the -y to an -I and add -ES.
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Plural Rule # 3B
For words ending in -y (when preceded by a vowel)... |
add an -S.
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Plural Rule # 4
For words ending in -um... |
change the -um to an -A.
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Plural Rule # 5
For words that end in -a... |
add an -E.
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Plural Rule # 6
For words ending in -us... |
replace the -us with -I.
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Plural Rule # 7
For words ending in -en... |
change the -en to -INA.
NOTE: This is an uncommon ending. Ex: foramen (foramina) - lumen (lumina) |
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Plural Rule # 8
For words ending in -is... |
change the -i to an -E.
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Plural Rule # 9A
For medical words ending in either -ex or -ix... |
change the -ex or -ix to -ICES.
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Plural Rule # 9B
If any other letter precedes the -x in the word (except -n)... |
change the -x to -CES.
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Plural Rule # 9C
If the -x is preceded by -n... |
change the -x to -GES.
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EXCEPTION to Rule # 5 & # 6:
Plural form is same as Singular form. |
adnexa, genitalia, meatus, plexus, biceps, triceps, quadriceps,
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EXCEPTION to Rule # 1:
echo becomes... |
echoes.
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EXCEPTION to Rule # 5:
For words ending in -oma or -gma... |
add -TA to the end of the word.
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EXCEPTION to Rule # 6:
Although the following end in -us, the following three words form their plurals as... |
viscus (viscera)
crus (crura) corpus (corpora) |
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EXCEPTION to Rule # 8:
There are three words that you must change the -s to... |
-DES and they are...
arthritis (arthritides) cuspis (cuspides) iris (irides) |
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EXCEPTION to Rule # 9A:
reflex becomes... |
reflexes.
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