ibisvsirisTell them apart

Which to use

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

#35,763
“ibis” frequency rank
#10,228
“iris” frequency rank
45991
confusion score

Side-by-Side Comparison

Feature ibis iris
Definition Any of various long-legged wading birds in the family Threskiornithidae, having long downcurved bills used to probe the mud for prey such as crustaceans. A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia).

Where the eye mixes ibis and iris

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

4 ch
ibis
4 ch
iris

Why the eye confuses ibis with iris

A purely visual mix-up. ibis (/ˈaɪ.bɪs/) and iris (/ˈaɪ.ɹɪs/) 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 a single letter - b in “ibis” becomes r in “iris”. Our composite confusion score for this pair is 45991, derived from the frequency rank of both members and their visual similarity.

ibis is recorded at frequency rank #35,763, classified as anoun, pronounced /ˈaɪ.bɪs/. iris is at rank #10,228, tagged as anoun, pronounced /ˈaɪ.ɹɪs/.

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 45991, this pair ranks #216,032 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ibis vs iris

Shared letters: is. Private to "ibis": b. Private to "iris": r.

"ibis" · 4 letters · shape VCVC  ·  "iris" · 4 letters · shape VCVC

Known mistypes of this pair

  • ibisbiis · ibbis · ibiss · ibsi · iibs
  • irisiirs · iriss · irris · irsi · riis

Frequently Asked Questions

Is swapping "ibis" for "iris" ever safe?
No. They are said differently (/ˈaɪ.bɪs/ versus /ˈaɪ.ɹɪs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ibis" or "iris"?
"iris" is the more common of the two: it sits at frequency rank #10,228 in our English list, against #35,763 for "ibis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "ibis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "iris" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #216,032 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ibis" and "iris" also get mixed up with nearby pairs, the highest-scored neighbour is "ibis vs ices". 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 #216,032 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