Which to use
“tub” is a noun and “tubby” is an adjective - they look or sound alike but fill different roles in a sentence.
- #8,998
- “tub” frequency rank
- #43,977
- “tubby” frequency rank
- 52975
- confusion score
Side-by-Side Comparison
| Feature | tub | tubby |
|---|---|---|
| Definition | A flat-bottomed vessel, of width similar to or greater than its height, used for storing or packing things, or for washing things in. | stout, rotund |
Where the eye mixes tub and tubby
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. tub runs 3 letters (CVC) against tubby's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses tub with tubby
These two trip readers on the page rather than in the ear: tub is /tʌb/ while tubby is /ˈtʌbi/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “tub” sits inside “tubby”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 52975, derived from the frequency rank of both members and their visual similarity.
tub is recorded at frequency rank #8,998, classified as anoun, pronounced /tʌb/. tubby is at rank #43,977, tagged as anadj, pronounced /ˈtʌbi/.
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 52975, this pair ranks #152,686 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tub vs tubby
Shared letters: btu. Private to "tub": -. Private to "tubby": y.
"tub" · 3 letters · shape CVC · "tubby" · 5 letters · shape CVCCV
Known mistypes of this pair
- tubby ← tbuby · ttubby · tubbyy · tuby · tubyb · utbby
Frequently Asked Questions
Can "tub" and "tubby" be used interchangeably?
In ordinary English text, does "tub" or "tubby" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "tub" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tubby" - compare definitions side by side with the headword page. Word entry
- This pair ranks #152,686 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "tub" and "tubby" also get mixed up with nearby pairs, the highest-scored neighbour is "tubal vs tubby". 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 #152,686 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.