ICAOvsinfoWhich spelling fits?

Quick tell: ICAO is a name, info is a noun, so they fill different roles in a sentence.

Which to use

“ICAO” is a name and “info” is a noun - they look or sound alike but fill different roles in a sentence.

#41,186
“ICAO” frequency rank
#2,489
“info” frequency rank
43675
confusion score

Side-by-Side Comparison

Feature ICAO info
Definition Acronym of International Civil Aviation Organization, a United Nations agency headquartered in Montreal, Canada. information.

Where the eye mixes ICAO and info

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
ICAO
4 ch
info

Why the eye confuses ICAO with info

These two trip readers on the page rather than in the ear: ICAO is /ˌaɪˈkeɪˌoʊ/ while info is /ˈɪnfəʊ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 43675, 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/. info is at rank #2,489, tagged as anoun, pronounced /ˈɪnfəʊ/.

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 43675, this pair ranks #237,733 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ICAO vs info

Shared letters: io. Private to "ICAO": ac. Private to "info": fn.

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

Known mistypes of this pair

  • ICAOiaco · iccao · icoa
  • infoifno · inffo · innfo · inof · nifo

Frequently Asked Questions

Do "ICAO" and "info" mean the same thing in a sentence?
No - they are not even the same part of speech. "ICAO" is a name and "info" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "ICAO" or "info" show up more?
"info" is the more common of the two: it sits at frequency rank #2,489 in our English list, against #41,186 for "ICAO". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "ICAO" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "info" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #237,733 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ICAO" and "info" 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 #237,733 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