ICAOvsIgboConfusable pair

Which to use

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

#41,186
“ICAO” frequency rank
#33,679
“Igbo” frequency rank
74865
confusion score

Side-by-Side Comparison

Feature ICAO Igbo
Definition Acronym of International Civil Aviation Organization, a United Nations agency headquartered in Montreal, Canada. A member of a people of southeast Nigeria.

Where the eye mixes ICAO and Igbo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ICAO (VCVV) and Igbo (VCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
ICAO
4 ch
Igbo

Visual trap between ICAO and Igbo

A purely visual mix-up. ICAO (/ˌaɪˈkeɪˌoʊ/) and Igbo (/ˈiːbəʊ/) 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 74865, derived from the frequency rank of both members and their visual similarity.

ICAO is recorded at frequency rank #41,186, classified as aname, pronounced /ˌaɪˈkeɪˌoʊ/. Igbo is at rank #33,679, tagged as aname, pronounced /ˈiːbəʊ/.

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 74865, this pair ranks #34,950 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of ICAO vs Igbo

Shared letters: io. Private to "ICAO": ac. Private to "Igbo": bg.

"ICAO" · 4 letters · shape VCVV  ·  "Igbo" · 4 letters · shape VCCV

Known mistypes of this pair

  • ICAO ← iaco · iccao · icoa
  • Igbo ← gibo · ibgo · igbbo · iggbo · igob

Frequently Asked Questions

Do "ICAO" and "Igbo" mean the same thing in a sentence?
No. They are said differently (/ˌaɪˈkeɪˌoʊ/ versus /ˈiːbəʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "ICAO" or "Igbo" show up more?
"Igbo" is the more common of the two: it sits at frequency rank #33,679 in our English list, against #41,186 for "ICAO". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "ICAO" and "Igbo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ICAO" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Igbo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,950 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ICAO" and "Igbo" also get mixed up with nearby pairs, the highest-scored neighbour is "ICAO vs Ilan". 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 #34,950 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