What sound does the letter O make?

The letter Oo makes the sound at the start of octopus. Say the sound on its own — /o/ — rather than the letter name, so your child can blend it into words like "octopus".

What are some words that start with O?

octopus, ox, olive, otter all begin with the Oo sound.

How do you write the letter O?

Uppercase O: Circle all the way around. Lowercase o: Circle all the way around.

How can I make learning the letter O fun?

Hunt for Oo on signs and cereal boxes, trace it in sand or shaving foam, and play a short phonics game. LQuest turns each letter into a five-minute game with sounds, tracing and sticker rewards.

All letters

The letter Oo

Says the sound at the start of octopus

Oo makes the sound at the start of octopus. Practise the sound first, then the shape: say the sound, find it in words, and trace both the capital O and the small o. Five focused minutes a day beats a long session.

Words with Oo

Words that start with O

octopus
ox
olive
otter

Oo in the middle

dog
box
pot
sock

Words that end with o

piano
hero
potato

How to write O and o

Capital O

Circle all the way around

Small o

Circle all the way around

Play the letter O game

Hear the sound in a real voice, trace the letter with your finger and earn a sticker. Free to start.

Play letter O free

Letter O questions parents ask

What sound does the letter O make?: The letter Oo makes the sound at the start of octopus. Say the sound on its own — /o/ — rather than the letter name, so your child can blend it into words like "octopus".
What are some words that start with O?: octopus, ox, olive, otter all begin with the Oo sound.
How do you write the letter O?: Uppercase O: Circle all the way around. Lowercase o: Circle all the way around.
How can I make learning the letter O fun?: Hunt for Oo on signs and cereal boxes, trace it in sand or shaving foam, and play a short phonics game. LQuest turns each letter into a five-minute game with sounds, tracing and sticker rewards.