Which to use
“Tehran” is a name and “than” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #12,694
- “Tehran” frequency rank
- #77
- “than” frequency rank
- 12771
- confusion score
Side-by-Side Comparison
| Feature | Tehran | than |
|---|---|---|
| Definition | The capital city of Iran, the seat of Tehran County's Central District and the capital of Tehran Province. | Used in comparisons, to introduce the basis of comparison. |
Where the eye mixes Tehran and than
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: Tehran vs than
These two trip readers on the page rather than in the ear: Tehran is /tɛˈɹæn/ while than is /ðæn/. 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 (name vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 12771, derived from the frequency rank of both members and their visual similarity.
Tehran is recorded at frequency rank #12,694, classified as aname, pronounced /tɛˈɹæn/. than is at rank #77, tagged as aconj, pronounced /ðæn/.
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 12771, this pair ranks #479,661 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Tehran vs than
Shared letters: ahnt. Private to "Tehran": er. Private to "than": -.
"Tehran" · 6 letters · shape CVCCVC · "than" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Can "Tehran" and "than" be used interchangeably?
Frequency check: "Tehran" vs "than" - which ranks higher?
Useful next steps
Eye-level mix-up between "Tehran" and "than" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Tehran" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "than" - compare definitions side by side with the headword page. Word entry
- This pair ranks #479,661 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Tehran" and "than" also get mixed up with nearby pairs, the highest-scored neighbour is "Tegan vs Tehran". 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 #479,661 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.