tarvstassTell them apart

Which to use

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

#12,515
“tar” frequency rank
#46,807
“tass” frequency rank
59322
confusion score

Side-by-Side Comparison

Feature tar tass
Definition A black, oily, sticky, viscous substance, consisting mainly of hydrocarbons derived from organic materials such as wood, peat, or coal. A heap, pile.

Where the eye mixes tar and tass

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
tar
4 ch
tass

Look-alike desk: tar vs tass

A purely visual mix-up. tar (/tɑː/) 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 59322, derived from the frequency rank of both members and their visual similarity.

tar is recorded at frequency rank #12,515, classified as anoun, pronounced /tɑː/. 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 59322, this pair ranks #106,943 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tar vs tass

Shared letters: at. Private to "tar": r. Private to "tass": s.

"tar" · 3 letters · shape CVC  ·  "tass" · 4 letters · shape CVCC

Known mistypes of this pair

  • tassatss · tas · tsas · ttass

Frequently Asked Questions

Do "tar" and "tass" mean the same thing in a sentence?
No. They are said differently (/tɑː/ versus /tæs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tar" or "tass"?
"tar" is the more common of the two: it sits at frequency rank #12,515 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.

Useful next steps

Eye-level mix-up between "tar" and "tass" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "tar" 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 #106,943 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tar" 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 #106,943 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