Calling all language lovers and busy students: are you up for a fun and free quiz plural adventure? This plural nouns exam is designed to test your knowledge of singular-to-plural rules, tricky irregulars, and even how to spell quiz in plural forms. Take our interactive plural nouns quiz , a quiz quizzes plural forms and rules to reinforce your learning, helping you boost confidence and ace your next grammar test. Whether you're prepping for an exam or simply enjoy wordplay, take our plural quiz today to sharpen your skills and see immediate results - start now and transform your grammar prowess!
What is the plural form of "dog"?
dogs
doges
dogses
dogies
The plural of most English nouns is formed by adding -s. "Dog" follows this regular pattern and becomes "dogs". This is covered in standard grammar resources. See Grammar Monster for more.
Choose the correct plural form of "cat".
cats
catz
cates
caties
Regular English nouns typically form their plural by adding -s. "Cat" simply becomes "cats". Irregular or invented spellings like "catz" are not standard. More details at Grammarly.
What is the plural of "bus"?
buses
busses
bussis
busies
Nouns ending in -s, -sh, -ch, -x, or -z usually take -es in the plural. Thus "bus" becomes "buses". While "busses" can refer to kisses, it is not the standard plural of the vehicle. See GrammarBook for rules.
Select the plural form of "baby".
babies
babys
babyies
babyes
For nouns ending in a consonant plus -y, the -y changes to -i and you add -es. "Baby" thus becomes "babies". This spelling rule avoids awkward consonant clusters. More examples at Grammar Monster.
What is the plural of "box"?
boxes
boxs
boxies
boxen
Nouns ending in -x form their plurals by adding -es. Hence "box" becomes "boxes". The form "boxen" is a playful pseudo-plural, not standard English. See Grammarly for more.
Choose the correct plural of "child".
children
childs
childes
childrenes
The noun "child" is irregular and forms its plural as "children". This irregular pattern dates back to Old English. Regular formation (adding -s) does not apply here. For irregulars, see Grammar Monster.
What is the plural form of "mouse" when referring to the animal?
mice
mouses
mices
mouse
The word "mouse" has an irregular plural "mice" in standard English. The form "mouses" is nonstandard when referring to animals. This change follows an Old English vowel mutation pattern. Learn more at GrammarBook.
Select the correct plural of "leaf".
leaves
leafs
leafes
leavs
For nouns ending in -f or -fe, the plural often changes to -ves. Thus "leaf" becomes "leaves". There are exceptions, but this is a common pattern. More details at Grammarly.
What is the plural form of "tomato"?
tomatoes
tomatos
tomati
tomaties
Nouns ending in -o preceded by a vowel remain regular, but if preceded by a consonant often take -es. "Tomato" ends in a consonant + o, so it becomes "tomatoes". This rule is well-documented in English usage guides. See Grammar Monster.
Choose the correct plural of "roof".
roofs
rooves
rofs
roofes
Most nouns ending in -f form the plural with -s rather than -ves. "Roof" thus becomes "roofs". The variant "rooves" is considered archaic. For this exception, see Grammarly.
What is the plural form of "criterion"?
criteria
criterions
criteriones
criterias
"Criterion" is a Greek-derived noun ending in -on. Its correct plural replaces -on with -a, yielding "criteria". Using -s is not standard for such words. See Grammarly’s guide for Greek plurals.
Choose the correct plural of "phenomenon".
phenomena
phenomenons
phenomenae
phenomenaes
Like "criterion," "phenomenon" is of Greek origin and forms its plural by changing -on to -a, giving "phenomena". The form "phenomenons" is incorrect in formal English. More on Greek-derived plurals at Grammar Monster.
What is the traditional Latin plural of "syllabus"?
syllabi
syllabuses
syllaba
syllabii
In traditional Latin usage, nouns ending in -us form the plural in -i, so "syllabus" becomes "syllabi." While "syllabuses" is accepted in modern English, "syllabi" is the classical form. See Grammarly for Latin plural rules.
Choose the correct plural of "deer".
deer
deers
deeres
der
Some English nouns have the same form in singular and plural. "Deer" is one of these invariant plurals. No additional ending is added. More examples at GrammarBook.
What is the classical plural form of "cactus"?
cacti
cactuses
cactii
cactae
"Cactus" is borrowed from Latin, where the plural ends in -i, giving "cacti." "Cactuses" is acceptable in modern usage, but "cacti" is the classical form. See Grammar Monster.
What is the classical Latin plural of "appendix"?
appendices
appendixes
appendici
appendixs
Latin nouns ending in -ix form their plural in -ices, so "appendix" becomes "appendices." Although "appendixes" is used in modern English, the classical form is "appendices." See Grammarly for details.
Choose the correct Greek-derived plural of "axis".
axes
axises
axii
axae
"Axis" is a Greek-derived noun that replaces -is with -es in the plural, giving "axes." The form "axises" is nonstandard, and other variants are incorrect. For Greek pluralization, see Grammar Monster.
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Study Outcomes
Identify Regular Plural Forms -
Recognize and apply the standard - s and - es endings to form regular plurals accurately.
Apply Spelling Rules for Special Endings -
Master the changes needed for nouns ending in - y, - f, and - fe to convert them into correct plural forms.
Distinguish Irregular Plural Nouns -
Learn to spot and use common irregular plurals like "children," "mice," and "geese" without hesitation.
Recognize Invariant and Zero-Change Plurals -
Understand which nouns keep the same form in both singular and plural (e.g., "sheep," "series").
Handle Latin and Greek Loanword Plurals -
Apply the correct plural endings for words borrowed from Latin and Greek, such as "criterium" to "criteria".
Evaluate Your Skills with the Quiz Plural -
Test your knowledge in this free plural quiz to pinpoint strengths and areas for improvement in your plural nouns exam prep.
Cheat Sheet
Forming Regular Plurals -
Most English nouns form the plural by adding "-s" or "-es" (e.g., cat → cats, box → boxes). A handy mnemonic from Cambridge University is "Add ES for S, X, Z, CH, SH" to remember when to use "-es." Practice with a plural quiz after each rule to reinforce your learning.
Handling Irregular Plurals -
Some nouns don't follow the regular pattern: foot becomes feet, mouse becomes mice, and child becomes children (Oxford English Dictionary). These irregular forms often derive from Old English, so flashcards or a quick plural nouns exam quiz can help cement them in memory. Visualizing these changes - like picturing tiny mice growing into "mice" - boosts recall.
Nouns Ending in -f/-fe -
Many words ending in "-f" or "-fe" change to "-ves" (leaf → leaves, knife → knives), but watch for exceptions such as roof → roofs (Merriam-Webster). A simple rule of thumb is "If it sounds like a puff, keep the f; if it hisses, go to ves." Testing yourself with a quiz in plural forms can quickly reveal any gaps.
Latin and Greek Borrowings -
Scientific and academic nouns often retain their original Greek or Latin plurals: criterion → criteria, phenomenon → phenomena (University of Chicago Press). Recognizing these patterns is crucial for formal writing, so include them in your plural nouns exam prep. Creating a mini "plural quiz" deck focusing on these can sharpen your academic vocabulary.
Zero-Plural (Invariable) Nouns -
Certain words remain unchanged in both singular and plural form, such as sheep, deer, and series (Cambridge Advanced Learner's Dictionary). These zero-plural nouns can trip up writers, so flag them in your notes and test them with a quick quiz quizzes plural. Repeated exposure and context sentences boost your confidence in using them correctly.
