Plural of Mummy

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The Quick Answer
The plural of mummy is mummies.

The Plural of Mummy

The plural of mummy is mummies.
  • Over one million animal mummies have been found in Egypt, many of which are cats.
  • CT scanning allows researchers to digitally "unwrap" mummies without risking damage to the body.
The noun mummy adheres to the standard rules for forming the plurals of nouns in English (shown in the table below).

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The Standard Rules for Forming the Plurals

The table below shows the standard rules for forming the plurals of nouns in English.
Type Example of Type Forming the Plural Plural
Most Nouns lamp
scythe
add s lamps
scythes
Noun Ending s, sh, ch, x or z bus
dress
add es buses
dresses
Nouns ending [consonant] o hero
zero
tomato
add either s or es
(There are no rules for this - you have to know.)
heroes
zeros
tomatoes
Nouns ending [vowel] o patio
ratio
add s patios
ratios
Nouns ending [consonant] y mummy
penny
change the y to an i and add es mummies
pennies
Nouns ending [vowel] y journey
donkey
add s journeys
donkeys
Nouns ending f or fe dwarf
hoof
ves and/or s
(There are no rules - you have to know.)
dwarfs
hooves or hoofs
Exceptions man
louse
some nouns undergo a vowel or letters change men
lice
More exceptions salmon
sheep
some nouns do not change at all salmon
sheep

Why Is There Confusion over the Plural of Mummy?

Mummies is the only way to make the noun mummy plural.

Confusion arises because some people mistakenly believe that most nouns should form a plural ending in s. When a noun ends with [consonant] + y, you need to change the y to an i and add es to form the plural.

Another Interactive Exercise
Here are three randomly selected questions from another exercise on plurals, which can be edited, printed to create an exercise worksheet, or sent via email to friends or students.

See Also

Unusual pluralsPlural forming table Quirks with forming plurals Forming the plurals of abbreviations Forming the plurals of compound nouns