tacksvstassWhat's the difference?

Which to use

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

#43,952
“tacks” frequency rank
#46,807
“tass” frequency rank
90759
confusion score

Side-by-Side Comparison

Feature tacks tass
Definition plural of tack A heap, pile.

Where the eye mixes tacks and tass

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. tacks runs 5 letters (CVCCC) against tass's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
tacks
4 ch
tass

Look-alike desk: tacks vs tass

A purely visual mix-up. tacks (/tæks/) and tass (/tæs/) 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 1 letter(s) in length. Our composite confusion score for this pair is 90759, derived from the frequency rank of both members and their visual similarity.

tacks is recorded at frequency rank #43,952, classified as anoun, pronounced /tæks/. tass is at rank #46,807, tagged as anoun, pronounced /tæs/.

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 90759, this pair ranks #3,900 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tacks vs tass

Shared letters: ast. Private to "tacks": ck. Private to "tass": -.

"tacks" · 5 letters · shape CVCCC  ·  "tass" · 4 letters · shape CVCC

Known mistypes of this pair

  • tacks ← atcks · taccks · tackks · tackss · tacsk · takcs · tcaks · ttacks
  • tass ← atss · tas · tsas · ttass

Frequently Asked Questions

Is swapping "tacks" for "tass" ever safe?
No. They are said differently (/tæks/ versus /tæs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "tacks" or "tass" show up more?
"tacks" is the more common of the two: it sits at frequency rank #43,952 in our English list, against #46,807 for "tass". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "tacks" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tass" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,900 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tacks" and "tass" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs tass". 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 #3,900 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