As nouns the difference between tummy and tummies
is that tummy is (childish language) stomach while tummies is plural of lang=en.
tummy
English
Noun
(tummies)
(childish language ) stomach
(US, slang) A protruding belly; a paunch.
Synonyms
* (protruding belly) see also .
Derived terms
* tummyache
* tummy button
* tummy tuck
Related terms
* belly (referring to abdomen, not stomach)