Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

rules to make plural

chapter 3 rules to make plurals

Singular EndingPlural EndingExample
ma mata (add a ta) Singular: Stoma Plural: stomata
ax, ix aces drop the x and add ces Singular: thorax Plural: thoraces Singular: appendix Plural:appendices
ex ices drop the ex and add ices Singular: apex Plural:apices
nx ges drop the x and add ges example: phalanx/phalanges
yx ces: drop the x and add ces: example: calyx/calyces
en ina: drop the en and add ina example: foramen/foramina
on a: drop the on and add a example: ganglion/ganglia
um a: Drop the um and add a example: datum/data
is es: Drop the is and add es example: diagnosis/diagnoses
us i: Drop the us and add i example: bronchus/bronchi
y ies: drop the y and add ies example: deformity/deformities
a add ae Singular: Vertebra Plural: Vertebrae
Created by: cathy1026