Letter number 15 of the English alphabet!
👋 Meet the Letter O!
O is the fifteenth letter and the fourth vowel. Its shape is round — just like an orange!
The letter O has two forms:
🔴 Uppercase (Capital): O — used at the start of sentences and names
🔵 Lowercase (Small): o — used in the middle and end of words
💡 Did You Know?
O is a vowel. The letter O is shaped like a circle — it’s the only letter that is perfectly round! The word “O” can also be used as an exclamation: “O, how beautiful!”
🔠 Uppercase & Lowercase
Same letter, two forms — one BIG, one small!
🔊 How Does O Sound?
The letter O makes a special sound. Let’s learn it!
💡 Try This!
Make your mouth into a round O shape and say “oh oh oh”. Try Orange, Owl, Octopus!
💡 Two Sounds of O
O has two sounds: short “oh” (as in ox) and long “oh” (as in open).
📖 Words That Start with O
Here are some fun words that begin with the letter O!
🔍 Spot the Letter O!
Find all the letter O’s hiding in the grid. Tap them!
Tap every O and o you can find!
Found: 0 / 0
✏️ Trace the Letter O
Use your finger or mouse to trace the letter!
Trace over the light letter below. Practice makes perfect!
🎮 Quick Quiz — Letter O
Let’s see how much you remember!
🍊 O is for ______?
O is a vowel or consonant?
Which shape is letter O?
What comes after N?
How many arms does an octopus have?
🎉 Quiz Complete!
0/5Fun Fact About the Letter O
The letter O has barely changed its shape in 3,000 years! Ancient people drew it as a circle to represent an eye. O is also the shape of the sun, moon, and Earth!
🦉 O for Owl on a moonlit street!
🐙 O for Octopus in the sea,
🌊 O for Ocean, wild and free!