ICJvsIRATell them apart

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

Which to use

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

#49,411
“ICJ” frequency rank
#9,057
“IRA” frequency rank
58468
confusion score

Side-by-Side Comparison

Feature ICJ IRA
Definition Initialism of International Court of Justice. Initialism of individual retirement account.

Letter map: ICJ vs IRA

Shared letters muted; letters that set ICJ and IRA apart highlighted. Shared run: 1. ICJ (VCC) and IRA (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
ICJ
3 ch
IRA

Part-of-speech tell for ICJ / IRA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ICJ is aname and IRAanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 58468, derived from the frequency rank of both members and their visual similarity.

ICJ is recorded at frequency rank #49,411, classified as aname. IRA is at rank #9,057, tagged as anoun, pronounced /aɪ ɑɹ eɪ/.

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 58468, this pair ranks #112,365 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of ICJ vs IRA

Shared letters: i. Private to "ICJ": cj. Private to "IRA": ar.

"ICJ" · 3 letters · shape VCC  ·  "IRA" · 3 letters · shape VCV

Frequently Asked Questions

Can "ICJ" and "IRA" be used interchangeably?
No - they are not even the same part of speech. "ICJ" is a name and "IRA" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ICJ" or "IRA"?
"IRA" is the more common of the two: it sits at frequency rank #9,057 in our English list, against #49,411 for "ICJ". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "ICJ" and "IRA". Here's where to go from here.

  • Full dictionary entry for "ICJ" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "IRA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #112,365 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ICJ" and "IRA" also get mixed up with nearby pairs, the highest-scored neighbour is "ICJ vs ith". Nearby pair

Confusion rank #112,365 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