IAEAvsIagoWhich spelling fits?

Which to use

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

#28,245
“IAEA” frequency rank
#43,699
“Iago” frequency rank
71944
confusion score

Side-by-Side Comparison

Feature IAEA Iago
Definition Initialism of International Atomic Energy Agency. A male given name.

Letter map: IAEA vs Iago

Shared letters muted; letters that set IAEA and Iago apart highlighted. Shared run: 2. IAEA (VVVV) and Iago (VVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
IAEA
4 ch
Iago

Corpus notes: IAEA and Iago

IAEA and Iago are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 71944, derived from the frequency rank of both members and their visual similarity.

IAEA is recorded at frequency rank #28,245, classified as aname. Iago is at rank #43,699, tagged as aname, pronounced /iˈɑːɡəʊ/.

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 71944, this pair ranks #44,813 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of IAEA vs Iago

Shared letters: ai. Private to "IAEA": e. Private to "Iago": go.

"IAEA" · 4 letters · shape VVVV  ·  "Iago" · 4 letters · shape VVCV

Known mistypes of this pair

  • IAEA ← aiea · iaae · ieaa
  • Iago ← aigo · iaggo · iaog · igao

Frequently Asked Questions

Can "IAEA" and "Iago" be used interchangeably?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "IAEA" or "Iago" show up more?
"IAEA" is the more common of the two: it sits at frequency rank #28,245 in our English list, against #43,699 for "Iago". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "IAEA" and "Iago". Here's where to go from here.

  • Full dictionary entry for "IAEA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Iago" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,813 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "IAEA" and "Iago" also get mixed up with nearby pairs, the highest-scored neighbour is "Iago vs inga". 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 #44,813 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