iravsISOConfusable pair

Which to use

“ira” and “ISO” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,290
“ira” frequency rank
#8,887
“ISO” frequency rank
27177
confusion score

Side-by-Side Comparison

Feature ira ISO
Definition der Zorn, die Wut Internationale Organisation für Normung (International Organization for Standardization); Vereinigung von Normungsorganisationen, die internationale Normen erarbeitet

Where the eye mixes ira and ISO

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ira
3 ch
ISO

Why the eye confuses ira with ISO

A purely visual mix-up. ira ([ˈiːra]) and ISO ([iːsoː]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 27177, derived from the frequency rank of both members and their visual similarity.

ira is recorded at frequency rank #18,290, classified as anoun, pronounced [ˈiːra]. ISO is at rank #8,887, tagged as anoun, pronounced [iːsoː].

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 27177, this pair ranks #1,806,042 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ira vs ISO

Shared letters: i. Private to "ira": ar. Private to "ISO": os.

"ira" · 3 letters · shape VCV  ·  "ISO" · 3 letters · shape VCV

Frequently Asked Questions

Do "ira" and "ISO" mean the same thing in a sentence?
No. They are said differently ([ˈiːra] versus [iːsoː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ira" vs "ISO" - which ranks higher?
"ISO" is the more common of the two: it sits at frequency rank #8,887 in our German list, against #18,290 for "ira". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ira" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ISO" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,806,042 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ira" and "ISO" also get mixed up with nearby pairs, the highest-scored neighbour is "IMs vs ira". Nearby pair

Confusion rank #1,806,042 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