trussvstssWhich spelling fits?

Quick tell: truss is a noun, tss is an intj, so they fill different roles in a sentence.

Which to use

“truss” is a noun and “tss” is an intj - they look or sound alike but fill different roles in a sentence.

#19,998
“truss” frequency rank
#42,965
“tss” frequency rank
62963
confusion score

Side-by-Side Comparison

Feature truss tss
Definition A bandage and belt used to hold a hernia in place. A hissing sound.

Where the eye mixes truss and tss

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

5 ch
truss
3 ch
tss

Visual trap between truss and tss

These two trip readers on the page rather than in the ear: truss is /tɹʌs/ while tss is [t͡sːː]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 62963, derived from the frequency rank of both members and their visual similarity.

truss is recorded at frequency rank #19,998, classified as anoun, pronounced /tɹʌs/. tss is at rank #42,965, tagged as anintj, pronounced [t͡sːː].

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 62963, this pair ranks #85,590 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of truss vs tss

Shared letters: st. Private to "truss": ru. Private to "tss": -.

"truss" · 5 letters · shape CCVCC  ·  "tss" · 3 letters · shape CCC

Known mistypes of this pair

  • truss ← rtuss · trruss · trsus · trus · ttruss · turss

Frequently Asked Questions

Is swapping "truss" for "tss" ever safe?
No - they are not even the same part of speech. "truss" is a noun and "tss" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "truss" vs "tss" - which ranks higher?
"truss" is the more common of the two: it sits at frequency rank #19,998 in our English list, against #42,965 for "tss". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "truss" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tss" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #85,590 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "truss" and "tss" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs tss". 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 #85,590 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