Which to use
“ICAO” and “IPA” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #41,186
- “ICAO” frequency rank
- #19,373
- “IPA” frequency rank
- 60559
- confusion score
Side-by-Side Comparison
| Feature | ICAO | IPA |
|---|---|---|
| Definition | Acronym of International Civil Aviation Organization, a United Nations agency headquartered in Montreal, Canada. | Initialism of International Phonetic Alphabet. |
Where the eye mixes ICAO and IPA
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ICAO runs 4 letters (VCVV) against IPA's 3 (VCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: ICAO vs IPA
A purely visual mix-up. ICAO (/ˌaɪˈkeɪˌoʊ/) and IPA (/ˌaɪ.piːˈeɪ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 60559, 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/. IPA is at rank #19,373, tagged as aname, pronounced /ˌaɪ.piːˈeɪ/.
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 60559, this pair ranks #99,518 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ICAO vs IPA
Shared letters: ai. Private to "ICAO": co. Private to "IPA": p.
"ICAO" · 4 letters · shape VCVV · "IPA" · 3 letters · shape VCV
Known mistypes of this pair
- ICAO ← iaco · iccao · icoa
Frequently Asked Questions
Is swapping "ICAO" for "IPA" ever safe?
In ordinary English text, does "ICAO" or "IPA" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ICAO" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "IPA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #99,518 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ICAO" and "IPA" 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 #99,518 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.