tobyvstubbyWhich spelling fits?

Quick tell: toby is a noun, tubby is an adjective, so they fill different roles in a sentence.

Which to use

“toby” is a noun and “tubby” is an adjective - they look or sound alike but fill different roles in a sentence.

#11,808
“toby” frequency rank
#43,977
“tubby” frequency rank
55785
confusion score

Side-by-Side Comparison

Feature toby tubby
Definition A drinking mug, in the shape of a human head with a hat atop; a Toby jug. stout, rotund

Letter map: toby vs tubby

Shared letters muted; letters that set toby and tubby apart highlighted. Shared run: 3. toby runs 4 letters (CVCV) against tubby's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
toby
5 ch
tubby

Part-of-speech tell for toby / tubby

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: toby is anoun and tubbyanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55785, derived from the frequency rank of both members and their visual similarity.

toby is recorded at frequency rank #11,808, classified as anoun. 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 55785, this pair ranks #130,965 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of toby vs tubby

Shared letters: bty. Private to "toby": o. Private to "tubby": u.

"toby" · 4 letters · shape CVCV  ·  "tubby" · 5 letters · shape CVCCV

Known mistypes of this pair

  • toby ← otby · tboy · tobby · tobyy · toyb · ttoby
  • tubby ← tbuby · ttubby · tubbyy · tuby · tubyb · utbby

Frequently Asked Questions

Do "toby" and "tubby" mean the same thing in a sentence?
No - they are not even the same part of speech. "toby" is a noun and "tubby" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "toby" vs "tubby" - which ranks higher?
"toby" is the more common of the two: it sits at frequency rank #11,808 in our English list, against #43,977 for "tubby". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "toby" and "tubby".

  • Full dictionary entry for "toby" 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 #130,965 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "toby" 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 #130,965 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