torusvstrueWhich spelling fits?

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

Which to use

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

#49,104
“torus” frequency rank
#393
“true” frequency rank
49497
confusion score

Side-by-Side Comparison

Feature torus true
Definition The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut). Conforming to the actual state of reality or fact; factually correct.

Where the eye mixes torus and true

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
torus
4 ch
true

Why the eye confuses torus with true

These two trip readers on the page rather than in the ear: torus is /ˈtɔː.ɹəs/ while true is /tɹuː/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 49497, derived from the frequency rank of both members and their visual similarity.

torus is recorded at frequency rank #49,104, classified as anoun, pronounced /ˈtɔː.ɹəs/. true is at rank #393, tagged as anadj, pronounced /tɹuː/.

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 49497, this pair ranks #183,002 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of torus vs true

Shared letters: rtu. Private to "torus": os. Private to "true": e.

"torus" · 5 letters · shape CVCVC  ·  "true" · 4 letters · shape CCVV

Known mistypes of this pair

  • torusotrus · torrus · torsu · toruss · trous · ttorus
  • truertue · treu · trrue · ttrue · ture

Frequently Asked Questions

Do "torus" and "true" mean the same thing in a sentence?
No - they are not even the same part of speech. "torus" is a noun and "true" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "torus" or "true" show up more?
"true" is the more common of the two: it sits at frequency rank #393 in our English list, against #49,104 for "torus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "torus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "true" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #183,002 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "torus" and "true" also get mixed up with nearby pairs, the highest-scored neighbour is "toots vs torus". 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 #183,002 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