Speech sound
The D sound: how to teach it
Everything you need to practise the D sound at home — how the mouth actually makes it, the age most children get there, the mistakes that are normal along the way, and 123 practice words grouped from easiest to hardest. Free, no sign-up.
- Written
- /d/
- Sound type
- stop, voiced
- Usually mastered
- Age 1–3
- Kids call it
- the drum sound
- Practice items here
- 123 words · 20 phrases · 20 sentences
Hear it first
This is the same “Teach Me” clip the app plays before practice. Listen together, then copy it a few times before touching any words.
How the mouth makes the D sound
Put the tip of your tongue behind your top teeth like T, but use your voice.
- Tongue: Tip taps the ridge behind upper front teeth
- Lips: Open and relaxed
- Air: Voiced burst when tongue releases
- Voice: On — put a hand on the throat and you should feel it buzz.
What usually goes wrong
These are patterns, not carelessness. Recognising which one your child is doing makes the practice far more targeted.
- Devoicing — "dog" becoming "tog".
- Backing — "dog" becoming "gog".
Three things that help
- D is T with the voice on. Hand on the throat to feel the difference.
- Drumming is ideal — every beat can be a "duh".
- Like T, this is an early sound and should be there by around three.
123 D words to practise
Every word here starts with the D sound, which is where a new sound should begin. Once it is reliable at the start of a word, the phrases and sentences below put it in the middle and at the end too.
Start here — short words
One-syllable words. Easiest to get right, so this is where a new sound should begin.
- dog
- dad
- day
- deer
- door
- desk
- dish
- dive
- duck
- done
- doll
- dot
- dance
- dig
- dime
- dirt
- drum
- dress
- drink
- draw
- dream
- drip
- drop
- drive
- dry
- dark
- dawn
- deep
- den
- dock
- doe
- dough
- dove
- down
- dust
- dune
- dusk
- date
- dear
- dice
- dip
- doze
- dump
- dunk
- drawer
- dab
- dam
- damp
- dash
- ding
- dew
Next — two-syllable words
Once the short words are reliable, longer words keep the sound accurate under more load.
- daddy
- daisy
- dolphin
- donkey
- dragon
- donut
- dinner
- diaper
- dizzy
- doctor
- dollar
- doodle
- doorbell
- doorknob
- dozen
- dresser
- dribble
- driveway
- drummer
- duckling
- dumpling
- dusty
- daytime
- dazzle
- dentist
- dessert
- dewdrop
- diamond
- dino
- dirty
- dollhouse
- downhill
- downpour
- downtown
- drawing
- drizzle
- drumstick
- digger
- downstairs
- dryer
- daylight
- diver
- dodgeball
- doghouse
- doorway
- drowsy
- dustpan
- drumroll
- dial
- ducky
- dimple
- dolly
- doggy
Challenge — longer words
Three syllables and up. Save these for when the sound is solid everywhere else.
- dinosaur
- dragonfly
- dandelion
- decorate
- delicious
- delivery
- detective
- dinnertime
- disappear
- discover
- domino
- daffodil
- dalmatian
- dictionary
- dishwasher
- doodlebug
- dishtowel
- double-decker
- delightful
D phrases
The step between single words and real talking. Say the phrase together first, then let your child do it alone.
- A big dog
- Dad and deer
- A dish on the desk
- Dive through the door
- The day is done
- Dizzy duck
- Daddy dances
- Dive down
- Dog digs
- Dusty desk
- Donut day
- Dolphin dives
- Dotted dress
- Dinner dish
- Dark den
- Damp dirt
- Deer dash
- Doggy door
- Dazzling diamond
- Dump truck
D sentences
The last step before everyday conversation. Each sentence packs the D sound in several times, so one sentence is worth several words.
- Dad and the dog sit by the door.
- The deer dashed down the dusty road.
- The duck dives into the deep pond.
- Put the dish on the desk, dear.
- Dan did a dance when the day was done.
- The dog digs in the dirt.
- Daddy makes dinner every day.
- The duckling dips in the pond.
- Draw a dog on the door.
- The deer dozes in the den.
- Dunk the donut in milk.
- The dolphin dives down deep.
- Dust the desk and the door.
- The dragon dances at dawn.
- A dime dropped by the door.
- The doll sits at the desk.
- Dad drives us downtown today.
- The donkey eats a daisy.
- Drums go boom at the dance.
- The ducky floats in the tub.
Three games for the D sound
Practice that does not feel like practice. A child will do fifty repetitions inside a game and refuse ten on a worksheet.
Drum beat
Bang a pot and say "duh" on every beat.
Daddy dance
Dance while calling out D words — dog, door, duck, down.
Door knock
Knock on doors around the house and say "door" each time.
When to ask a professional
Most children have the D sound by around age 3. If your child is past that and it has not appeared, if people outside the family regularly cannot understand them, or if they are starting to avoid talking, book an appointment with a speech-language pathologist. One session will tell you whether this needs treatment or just time.
Help Me Talk is a practice app, not a diagnosis or a replacement for a licensed speech-language pathologist. If you are worried about your child’s speech, talk to your doctor or an SLP — this app is for the practice in between.
Age ranges follow the Iowa–Nebraska articulation norms (Smit, Hand, Bird & Bernthal), the same norms the app uses to suggest sounds by age.
D sound questions
- At what age should a child say the D sound?
- Most children have the D sound somewhere between one and three years old. It is one of the earlier sounds, so if your child is past three and still missing it, it is worth mentioning at their next check-up. Age ranges follow the Iowa–Nebraska articulation norms (Smit, Hand, Bird & Bernthal), the same norms the app uses to suggest sounds by age.
- Why does my child say D wrong?
- The most common pattern is devoicing. Backing — "dog" becoming "gog". These are patterns, not laziness — the mouth is doing something consistent, just not the thing English needs. Once you know which pattern it is, the practice becomes much more targeted.
- How do I teach the D sound at home?
- Put the tip of your tongue behind your top teeth like T, but use your voice. Start with the sound on its own, then short words, then phrases, then sentences — in that order. D is T with the voice on. Hand on the throat to feel the difference.
- How many words should we practise in one go?
- Ten to fifteen words is plenty. Five to ten minutes a day beats a long session once a week, and stopping while your child is still enjoying it is what makes them willing to do it again tomorrow. This page has 123 D words, so you can use a different handful every day for weeks.
- When should I see a speech therapist about the D sound?
- If your child is older than three and the D sound is still not there, if strangers regularly cannot understand them, or if your child is getting frustrated or avoiding talking — those are the moments to ask. A speech-language pathologist can tell you in one appointment whether it needs treatment or just time. This app is practice, not a diagnosis.