iOSvsIRAConfusable pair

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

Which to use

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

#5,888
“iOS” frequency rank
#9,057
“IRA” frequency rank
14945
confusion score

Side-by-Side Comparison

Feature iOS IRA
Definition A mobile operating system (OS) created and developed by Apple Inc. exclusively for its hardware. Initialism of individual retirement account.

Letter map: iOS vs IRA

Shared letters muted; letters that set iOS and IRA apart highlighted. Shared run: 1.

3 ch
iOS
3 ch
IRA

Part-of-speech tell for iOS / IRA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: iOS 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 14945, derived from the frequency rank of both members and their visual similarity.

iOS is recorded at frequency rank #5,888, 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 14945, this pair ranks #466,992 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of iOS vs IRA

Shared letters: i. Private to "iOS": os. Private to "IRA": ar.

"iOS" · 3 letters · shape VVC  ·  "IRA" · 3 letters · shape VCV

Frequently Asked Questions

Do "iOS" and "IRA" mean the same thing in a sentence?
No - they are not even the same part of speech. "iOS" is a name and "IRA" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "iOS" or "IRA" show up more?
"iOS" is the more common of the two: it sits at frequency rank #5,888 in our English list, against #9,057 for "IRA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "iOS" vs "IRA" is on the table, pick a follow-up below.

  • Full dictionary entry for "iOS" 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 #466,992 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "iOS" and "IRA" also get mixed up with nearby pairs, the highest-scored neighbour is "Ilan vs IRA". Nearby pair

Confusion rank #466,992 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