##  [English plurals: Tricky endings](/en/quiz/jeu-quiz-english-plurals-2-eng)

No language can thrive without having a way for its speakers to express things in the plural; for example, two desserts are always better than one. As you know, most English nouns form their plurals by adding **s** or **es**. But a simple rule with no exceptions would be boring, don't you think? Test your knowledge by choosing the correct plurals for the words below.

1. The plural of **person** is ![Placeholder for the answer](/sites/default/files/underscore_15_black-wet.gif).persons

people

both are correct

2. The plural of **appendix** is ![Placeholder for the answer](/sites/default/files/underscore_15_black-wet.gif).appendixes

appendices

both are correct

3. The plural of **ox** is ![Placeholder for the answer](/sites/default/files/underscore_15_black-wet.gif).oxen

oxes

both are correct

4. The plural of **corpus** is ![Placeholder for the answer](/sites/default/files/underscore_15_black-wet.gif).corpora

corpuses

both are correct

5. The plural of **offspring** is ![Placeholder for the answer](/sites/default/files/underscore_15_black-wet.gif).offspring

offsprings

both are correct

6. The plural of **vertebra** is ![Placeholder for the answer](/sites/default/files/underscore_15_black-wet.gif).vertebras

vertebrae

both are correct

7. The plural of **bacterium** is ![Placeholder for the answer](/sites/default/files/underscore_15_black-wet.gif).bacteria

bacteriums

both are correct