Which to use
“IR” is an abbrev and “Iris” is a noun - they look or sound alike but fill different roles in a sentence.
- #14,329
- “IR” frequency rank
- #7,773
- “Iris” frequency rank
- 22102
- confusion score
Side-by-Side Comparison
| Feature | IR | Iris |
|---|---|---|
| Definition | infrarot, Infrarot | (Plural: Iris oder [selten] Iriden, Irides): Regenbogenhaut |
Letter map: IR vs Iris
Shared letters muted; letters that set IR and Iris apart highlighted. Shared run: 2.
Part-of-speech tell for IR / Iris
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: IR is anabbrev and Irisanoun. On the page they differ by 2 extra letter(s) - “IR” sits inside “Iris”. Our composite confusion score for this pair is 22102, derived from the frequency rank of both members and their visual similarity.
IR is recorded at frequency rank #14,329, classified as anabbrev. Iris is at rank #7,773, tagged as anoun, pronounced [ˈiːʁɪs].
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 22102, this pair ranks #1,878,286 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of IR vs Iris
Shared letters: ir. Private to "IR": -. Private to "Iris": s.
"IR" · 2 letters · shape VC · "Iris" · 4 letters · shape VCVC
Known mistypes of this pair
- Iris ← iirs · iriss · irris · irsi · riis
Frequently Asked Questions
Can "IR" and "Iris" be used interchangeably?
Frequency check: "IR" vs "Iris" - which ranks higher?
After this comparison
Pair "IR" vs "Iris" is on the table, pick a follow-up below.
- Full dictionary entry for "IR" 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 #1,878,286 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "IR" and "Iris" also get mixed up with nearby pairs, the highest-scored neighbour is "IMs vs IR". 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 #1,878,286 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.