Belly vs Stomach vs Tummy

When to use each in English, with meaning, register, and examples.

Belly

Top 1,000 (very common)

Stomach

Top 1,000 (very common)A2noun

Tummy

InformalTop 5,000 (fairly common)
 BellyStomachTummy
Pronunciation🇬🇧 //ˈbɛli//🇺🇸 //ˈbɛli//🇬🇧 /["/ˈstʌmək/"]/🇺🇸 /["/ˈstʌmək/"]/🇬🇧 //ˈtʌmi//🇺🇸 //ˈtʌmi//
MeaningThe front part of your body, below your chest.The part of the body where food goes after you eat.Another word for stomach, often used by children.
ExampleHis belly shook with laughter at the funny joke.I felt a sharp pain in my stomach after eating too much.My tummy hurts after eating too much candy.
RegisterNeutralNeutralInformal
How commonTop 1,000 (very common)Top 1,000 (very common)Top 5,000 (fairly common)
CEFR level-A2-
Part of speechnoun
Collocationspot belly, flat belly, rock-hard bellyempty, full, dodgy, turn, settle, settle in, churn, heave, lurch, ache, ailment, bug, in the/​your stomach, the contents of your stomach, feel sick to your stomach, something makes you sick to your stomachtummy ache, tummy time, tummy rub, big tummy, tummy tuck
Antonymsback, spineappetite, desire-
Common mistakesConfused with 'stomach,' which refers specifically to the organ., Used as a verb incorrectly; 'belly' is a noun., Assumed to only refer to weight or size, while it also refers to the body part itself.Confused with 'tummy' - 'tummy' is more informal., Using 'stomach' when referring to the digestive system as a whole., Mispronouncing it as 'stomack'.Using 'tummy' in formal writing., Confusing 'tummy ache' with other types of pain., Saying 'my tummy is hurting' instead of 'my stomach hurts.'
Usage notesCommonly used in everyday conversation. Avoid in very formal contexts. Can be used in playful or light-hearted discussions.Used in both formal and informal contexts. Appropriate in medical discussions, casual conversation, and cooking. Less appropriate in very technical or scientific language where more specific terms are used.Typically used in informal settings, especially with children. Might not be appropriate in formal contexts.

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Belly
Stomach
Tummy

Frequently asked questions: Belly vs Stomach vs Tummy

What's the difference between Belly, Stomach, and Tummy?

Belly: The front part of your body, below your chest. Stomach: The part of the body where food goes after you eat. Tummy: Another word for stomach, often used by children.

Can you show an example of each?

Belly: His belly shook with laughter at the funny joke. Stomach: I felt a sharp pain in my stomach after eating too much. Tummy: My tummy hurts after eating too much candy.

Can I use Belly, Stomach, and Tummy interchangeably?

Not always. Belly, Stomach, and Tummy are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.