IRvsIranWhat's the difference?

Quick tell: IR is a abbrev, Iran is a name, so they fill different roles in a sentence.

Which to use

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

#14,329
“IR” frequency rank
#3,050
“Iran” frequency rank
17379
confusion score

Side-by-Side Comparison

Feature IR Iran
Definition infrarot, Infrarot ein Staat in Vorderasien

Letter map: IR vs Iran

Shared letters muted; letters that set IR and Iran apart highlighted. Shared run: 2.

2 ch
IR
4 ch
Iran

Grammar separator: IR vs Iran

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: IR is anabbrev and Irananame. On the page they differ by 2 extra letter(s) - “IR” sits inside “Iran”. Our composite confusion score for this pair is 17379, derived from the frequency rank of both members and their visual similarity.

IR is recorded at frequency rank #14,329, classified as anabbrev. Iran is at rank #3,050, tagged as aname, pronounced [iˈʁaːn].

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 17379, this pair ranks #1,927,925 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of IR vs Iran

Shared letters: ir. Private to "IR": -. Private to "Iran": an.

"IR" · 2 letters · shape VC  ·  "Iran" · 4 letters · shape VCVC

Known mistypes of this pair

  • Iraniarn · irann · irna · irran · rian

Frequently Asked Questions

Is swapping "IR" for "Iran" ever safe?
No - they are not even the same part of speech. "IR" is an abbrev and "Iran" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "IR" or "Iran" show up more?
"Iran" is the more common of the two: it sits at frequency rank #3,050 in our German list, against #14,329 for "IR". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "IR" vs "Iran" 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 "Iran" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,927,925 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "IR" and "Iran" 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 #1,927,925 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list