IranvsironWhat's the difference?

Quick tell: Iran is a name, iron is an adjective, so they fill different roles in a sentence.

Which to use

“Iran” is a name and “iron” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,339
“Iran” frequency rank
#13,412
“iron” frequency rank
16751
confusion score

Side-by-Side Comparison

Feature Iran iron
Definition Pays d’Asie, entouré par le Pakistan, l’Afghanistan, le Turkménistan, la mer Caspienne, l’Azerbaïdjan, l’Arménie, la Turquie, l’Irak, le golfe Persique et la mer d’Oman. Sa capitale est Téhéran. De fer, en fer.

Where the eye mixes Iran and iron

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
Iran
4 ch
iron

Why the eye confuses Iran with iron

These two trip readers on the page rather than in the ear: Iran is \i.ʁɑ̃\ while iron is \ˈaɪ.ɚn\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “Iran” becomes o in “iron”, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 16751, derived from the frequency rank of both members and their visual similarity.

Iran is recorded at frequency rank #3,339, classified as aname, pronounced \i.ʁɑ̃\. iron is at rank #13,412, tagged as anadj, pronounced \ˈaɪ.ɚn\.

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 16751, this pair ranks #386,432 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Iran vs iron

Shared letters: inr. Private to "Iran": a. Private to "iron": o.

"Iran" · 4 letters · shape VCVC  ·  "iron" · 4 letters · shape VCVC

Known mistypes of this pair

  • Iraniarn · irann · irna · irran · rian
  • ironiorn · irno · ironn · irron · rion

Frequently Asked Questions

Do "Iran" and "iron" mean the same thing in a sentence?
No - they are not even the same part of speech. "Iran" is a name and "iron" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Iran" or "iron"?
"Iran" is the more common of the two: it sits at frequency rank #3,339 in our French list, against #13,412 for "iron". 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 "Iran" and "iron" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Iran" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "iron" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #386,432 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Iran" and "iron" also get mixed up with nearby pairs, the highest-scored neighbour is "Ilona vs iron". 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 #386,432 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list