tarmacvstartarWhat's the difference?

Which to use

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

#27,675
“tarmac” frequency rank
#33,874
“tartar” frequency rank
61549
confusion score

Side-by-Side Comparison

Feature tarmac tartar
Definition Tarmacadam. A red compound deposited during wine making, mostly potassium hydrogen tartrate; wine stone — a source of cream of tartar.

Where the eye mixes tarmac and tartar

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. tarmac and tartar follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
tarmac
6 ch
tartar

Why the eye confuses tarmac with tartar

A purely visual mix-up. tarmac (/ˈtɑː(ɹ)mæk/) and tartar (/ˈtɑɹ.tɚ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 61549, derived from the frequency rank of both members and their visual similarity.

tarmac is recorded at frequency rank #27,675, classified as anoun, pronounced /ˈtɑː(ɹ)mæk/. tartar is at rank #33,874, tagged as anoun, pronounced /ˈtɑɹ.tɚ/.

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 61549, this pair ranks #93,615 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tarmac vs tartar

Shared letters: art. Private to "tarmac": cm. Private to "tartar": -.

"tarmac" · 6 letters · shape CVCCVC  ·  "tartar" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • tarmac ← atrmac · tamrac · taramc · tarmacc · tarmca · tarmmac · tarrmac · tramac
  • tartar ← atrtar · taratr · tarrtar · tartarr · tartra · tarttar · tatrar · tratar

Frequently Asked Questions

Can "tarmac" and "tartar" be used interchangeably?
No. They are said differently (/ˈtɑː(ɹ)mæk/ versus /ˈtɑɹ.tɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tarmac" or "tartar"?
"tarmac" is the more common of the two: it sits at frequency rank #27,675 in our English list, against #33,874 for "tartar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "tarmac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tartar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #93,615 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tarmac" and "tartar" also get mixed up with nearby pairs, the highest-scored neighbour is "tartar vs tater". 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 #93,615 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