irisvsironConfusable pair

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

Which to use

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

#9,504
“iris” frequency rank
#13,412
“iron” frequency rank
22916
confusion score

Side-by-Side Comparison

Feature iris iron
Definition Partie colorée de l’œil qui environne la prunelle et qui présente quelquefois des nuances circulaires et concentriques. De fer, en fer.

Where the eye mixes iris and iron

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

4 ch
iris
4 ch
iron

Look-alike desk: iris vs iron

These two trip readers on the page rather than in the ear: iris is \i.ʁis\ while iron is \ˈaɪ.ɚn\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 22916, derived from the frequency rank of both members and their visual similarity.

iris is recorded at frequency rank #9,504, classified as anoun, pronounced \i.ʁis\. 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 22916, this pair ranks #355,388 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of iris vs iron

Shared letters: ir. Private to "iris": s. Private to "iron": no.

"iris" · 4 letters · shape VCVC  ·  "iron" · 4 letters · shape VCVC

Known mistypes of this pair

  • irisiirs · iriss · irris · irsi · riis
  • ironiorn · irno · ironn · irron · rion

Frequently Asked Questions

Can "iris" and "iron" be used interchangeably?
No - they are not even the same part of speech. "iris" is a noun and "iron" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "iris" vs "iron" - which ranks higher?
"iris" is the more common of the two: it sits at frequency rank #9,504 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.

Useful next steps

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

  • Full dictionary entry for "iris" 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 #355,388 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "iris" 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 #355,388 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