tumvstummyTell them apart

Which to use

“tum” and “tummy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#26,641
“tum” frequency rank
#16,608
“tummy” frequency rank
43249
confusion score

Side-by-Side Comparison

Feature tum tummy
Definition shortened form of tummy The stomach or belly.

Where the eye mixes tum and tummy

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. tum runs 3 letters (CVC) against tummy's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
tum
5 ch
tummy

Look-alike desk: tum vs tummy

A purely visual mix-up. tum (/tʌm/) and tummy (/ˈtʌ.mi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “tum” sits inside “tummy”. Our composite confusion score for this pair is 43249, derived from the frequency rank of both members and their visual similarity.

tum is recorded at frequency rank #26,641, classified as anoun, pronounced /tʌm/. tummy is at rank #16,608, tagged as anoun, pronounced /ˈtʌ.mi/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 43249, this pair ranks #241,778 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tum vs tummy

Shared letters: mtu. Private to "tum": -. Private to "tummy": y.

"tum" · 3 letters · shape CVC  ·  "tummy" · 5 letters · shape CVCCV

Known mistypes of this pair

  • tummy ← tmumy · ttummy · tummyy · tumy · tumym · utmmy

Frequently Asked Questions

Do "tum" and "tummy" mean the same thing in a sentence?
No. They are said differently (/tʌm/ versus /ˈtʌ.mi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tum" or "tummy"?
"tummy" is the more common of the two: it sits at frequency rank #16,608 in our English list, against #26,641 for "tum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "tum" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tummy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #241,778 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tum" and "tummy" also get mixed up with nearby pairs, the highest-scored neighbour is "tuft vs tum". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #241,778 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list