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Singular Words Ending in s, ce, x, z, or Punctuation

Add apostrophe s

Mr. Jones’s property

Mr. Harris’s store

The actress’s vanity

The box’s contents

The quiz’s answers

Burns’s poems

Charles’s wife

Marx’s theories

Berlioz’s works

Strauss’s Vienna

Inez’s diary

Yahoo!’s CEO


Possessives of ancient proper names ending in –is or -es

Isis’ temple

Moses’ commandments

Euripides’ plays

Achilles’ heel

The Ganges’ source

Xerxes’ armies

Hercules’ twelve labors


Graves’ disease

Brahms’ lullaby

For goodness’ sake

For appearance’ sake

For Jesus’ sake BUT Jesus’s contemporaries

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