tariffvstiffWhich spelling fits?

Which to use

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

#15,290
“tariff” frequency rank
#28,052
“tiff” frequency rank
43342
confusion score

Side-by-Side Comparison

Feature tariff tiff
Definition A system of government-imposed duties levied on imported or exported goods; a list of such duties, or the duties themselves. A (generally small) argument or disagreement; a petty quarrel, a spat.

Where the eye mixes tariff and tiff

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. tariff runs 6 letters (CVCVCC) against tiff's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
tariff
4 ch
tiff

Why the eye confuses tariff with tiff

A purely visual mix-up. tariff (/ˈtæɹɪf/) and tiff (/tɪf/) 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 2 letter(s) in length. Our composite confusion score for this pair is 43342, derived from the frequency rank of both members and their visual similarity.

tariff is recorded at frequency rank #15,290, classified as anoun, pronounced /ˈtæɹɪf/. tiff is at rank #28,052, tagged as anoun, pronounced /tɪf/.

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 43342, this pair ranks #240,908 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tariff vs tiff

Shared letters: fit. Private to "tariff": ar. Private to "tiff": -.

"tariff" · 6 letters · shape CVCVCC  ·  "tiff" · 4 letters · shape CVCC

Known mistypes of this pair

  • tariff ← atriff · tairff · tarfif · tarif · tarriff · traiff · ttariff
  • tiff ← itff · tfif · tif · ttiff

Frequently Asked Questions

Do "tariff" and "tiff" mean the same thing in a sentence?
No. They are said differently (/ˈtæɹɪf/ versus /tɪf/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tariff" or "tiff"?
"tariff" is the more common of the two: it sits at frequency rank #15,290 in our English list, against #28,052 for "tiff". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "tariff" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tiff" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #240,908 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tariff" and "tiff" also get mixed up with nearby pairs, the highest-scored neighbour is "tiff vs tuft". 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 #240,908 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