Form plurals of nouns or family names that end in s, z, x, ch, and sh by adding es. Example: The Joneses live in Gates.
Form plurals and possessives of proper names that end with s, x and z. Examples: Burns’ poems, Marx’s theories, Savitz’s holdings
Plural possessives combine the above rules. Example: the Joneses’ reunion.
Form plurals of the following by adding s alone.
Examples:
thank-you-ma’ams
the late 1960s
several YMCAs
CODs and IOUs
MAs and PhDs
CDs
SOSs
For single letters, use ’s.
Examples:
Mind your p’s and q’s
He learned the three R’s
Academia is home to many surviving Latinisms, but it’s easy to confuse singular and plural forms. Most commonly you’ll find (singular/plural):
Collaborative Training Dinner
5 pm - 7 pm
Faculty Staff Convocation
8:30 am - 10:30 am
Collaborative Training
1 pm - 5:30 pm
Red Cross Blood Drive
11 am - 4 pm
