Have you ever wondered whether the correct spelling is twelfth or twelth? You’re not alone. This is one of the most commonly misspelled ordinal numbers in English because the “f” is often omitted in writing. Although both spellings may look familiar, only one is correct in standard English.
The correct spelling is twelfth. It is an ordinal number used to describe the position of something that comes after the eleventh and before the thirteenth. You’ll commonly see it in dates, rankings, chapters, grades, anniversaries, and numbered events.
The spelling twelth is incorrect. It is a common misspelling caused by leaving out the “f” before the ending “-th.” Standard English dictionaries recognize only twelfth as the correct spelling.
In this guide, you’ll learn the correct spelling, meaning, pronunciation, grammar rules, US vs. UK usage, examples, common mistakes, memory tricks, and frequently asked questions about twelfth or twelth.
Quick Answer
| Spelling | Correct? |
|---|---|
| ✅ Twelfth | Correct |
| ❌ Twelth | Incorrect |
Twelfth means coming in position number 12 in a sequence.
Examples
- Today is the twelfth of July.
- She finished in twelfth place.
- He celebrated his twelfth birthday.
What Does “Twelfth” Mean?
Twelfth is an ordinal number.
It refers to the person or thing in position number 12.
Examples
- This is the twelfth chapter.
- She was the twelfth student to arrive.
- The meeting is on the twelfth of August.
- He finished twelfth in the race.
Why Is “Twelth” Incorrect?
The spelling twelth is incorrect because the correct ordinal form of twelve includes the letter “f.”
Correct:
Twelve → Twelfth
Incorrect:
❌ Twelth
No standard English dictionary accepts twelth as the correct spelling.
Grammar Role of Twelfth
Twelfth functions as an adjective, noun, or ordinal number, depending on the sentence.
As an Adjective
- The twelfth chapter is my favorite.
- She celebrated her twelfth birthday.
As a Noun
- He finished in the twelfth.
- The twelfth of the month is a holiday.
Common Expressions
- Twelfth grade
- Twelfth birthday
- Twelfth floor
- Twelfth chapter
- Twelfth anniversary
Twelfth in American English
American English uses twelfth.
Examples
- She celebrated her twelfth birthday.
- The office is on the twelfth floor.
- He came in twelfth place.
- The meeting is on July twelfth.
Twelfth in British English
British English also uses twelfth.
Examples
- The meeting is on the twelfth of July.
- She finished twelfth in the competition.
- He celebrated his twelfth birthday.
- The classroom is on the twelfth floor.
There is no spelling difference between American and British English.
Twelfth vs Twelth
| Feature | Twelfth | Twelth |
|---|---|---|
| Correct spelling | ✅ Yes | ❌ No |
| Dictionary word | Yes | No |
| Meaning | Position number 12 | No meaning |
| Part of speech | Ordinal number / Adjective / Noun | Incorrect spelling |
| American English | Yes | No |
| British English | Yes | No |
Pronunciation
Twelfth
UK IPA: /twelfθ/
US IPA: /twelfθ/
Pronunciation:
TWELFTH
The “f” is pronounced just before the “th”, even though many people accidentally leave it out when writing.
Common Uses of “Twelfth”
Dates
- Twelfth of May
- Twelfth of December
Education
- Twelfth grade
- Twelfth student
Competitions
- Twelfth place
- Twelfth position
Books
- Twelfth chapter
- Twelfth edition
Celebrations
- Twelfth birthday
- Twelfth anniversary
Twelfth vs Similar Words
| Word | Meaning |
|---|---|
| Twelfth | Ordinal form of twelve |
| Twelve | The number 12 |
| Eleventh | Position number 11 |
| Thirteenth | Position number 13 |
| Second | Position number 2 |
Common Mistakes
Incorrect
❌ Today is the twelth of June.
Correct
✅ Today is the twelfth of June.
Incorrect
❌ She finished in twelth place.
Correct
✅ She finished in twelfth place.
Incorrect
❌ He celebrated his twelth birthday.
Correct
✅ He celebrated his twelfth birthday.
Incorrect
❌ The office is on the twelth floor.
Correct
✅ The office is on the twelfth floor.
Real-Life Examples
Dates
- The meeting is on the twelfth of October.
- School begins on the twelfth of August.
School
- She is in twelfth grade.
- The twelfth chapter is assigned for homework.
Sports
- He finished twelfth in the race.
- The team ended the season in twelfth place.
Everyday Life
- Today is my twelfth birthday.
- They live on the twelfth floor.
American English Example Sentences
- She celebrated her twelfth birthday.
- The office is on the twelfth floor.
- He finished twelfth in the race.
- The meeting is on July twelfth.
- The twelfth chapter explains the topic.
- She entered twelfth grade this year.
- The team placed twelfth overall.
- Today is the twelfth of the month.
- He was the twelfth person in line.
- The twelfth question was the hardest.
British English Example Sentences
- The meeting is on the twelfth of July.
- She celebrated her twelfth birthday.
- He finished twelfth in the competition.
- The classroom is on the twelfth floor.
- Today is the twelfth of the month.
- The twelfth chapter is very interesting.
- She started twelfth year at school.
- The team came twelfth overall.
- He was the twelfth person to arrive.
- The twelfth question was the most difficult.
Easy Memory Tricks
Remember “Twelve”
The word twelfth comes from twelve.
Twelve → Twelfth
Keep the “f” before adding “th.”
Think “F Before TH”
Remember:
TwelFTH
The F always comes before TH.
Practice
Write it three times:
Twelfth
Twelfth
Twelfth
Frequently Asked Questions
Is twelfth or twelth correct?
Twelfth is the correct spelling.
Is twelth a real word?
No. It is a common spelling mistake.
What does twelfth mean?
It means the person or thing in position number 12.
How do you spell twelfth?
T-W-E-L-F-T-H
Is the spelling different in British and American English?
No. Both use twelfth.
How do you pronounce twelfth?
TWELFTH
People Also Ask
Why do people spell twelfth as twelth?
Many people accidentally leave out the “f” because it can be difficult to hear in fast speech. The correct spelling is twelfth.
Is twelfth used in formal writing?
Yes. It is commonly used in academic writing, official documents, dates, rankings, books, and everyday English.
What’s the easiest way to remember twelfth?
Think of the base word twelve. Since twelve ends with “ve,” the ordinal form keeps the “f”:
Twelve → Twelfth
What’s the difference between twelve and twelfth?
Twelve is a cardinal number that tells how many. Twelfth is an ordinal number that tells the position of something in a sequence.
Conclusion
If you’re choosing between twelfth and twelth, the correct spelling is twelfth. Twelth is a common spelling mistake caused by leaving out the “f.”
Twelfth is the correct ordinal form of twelve and is used for dates, rankings, birthdays, chapters, grades, and positions. It is the standard spelling in both American and British English. A simple way to remember it is to think “Twelve → Twelfth” and always keep the “f” before “th.”