IkevsIRSTell them apart

Which to use

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

#16,730
“Ike” frequency rank
#8,440
“IRS” frequency rank
25170
confusion score

Side-by-Side Comparison

Feature Ike IRS
Definition A diminutive of the male given name Isaac. Initialism of Internal Revenue Service.

Where the eye mixes Ike and IRS

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
Ike
3 ch
IRS

Look-alike desk: Ike vs IRS

A purely visual mix-up. Ike (/aɪk/) and IRS (/ˈaɪ.ɑɹ.ɛs/) 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 25170, derived from the frequency rank of both members and their visual similarity.

Ike is recorded at frequency rank #16,730, classified as aname, pronounced /aɪk/. IRS is at rank #8,440, tagged as aname, pronounced /ˈaɪ.ɑɹ.ɛs/.

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 25170, this pair ranks #396,377 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Ike vs IRS

Shared letters: i. Private to "Ike": ek. Private to "IRS": rs.

"Ike" · 3 letters · shape VCV  ·  "IRS" · 3 letters · shape VCC

Frequently Asked Questions

Do "Ike" and "IRS" mean the same thing in a sentence?
No. They are said differently (/aɪk/ versus /ˈaɪ.ɑɹ.ɛs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Ike" vs "IRS" - which ranks higher?
"IRS" is the more common of the two: it sits at frequency rank #8,440 in our English list, against #16,730 for "Ike". 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 "Ike" and "IRS" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Ike" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "IRS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #396,377 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Ike" and "IRS" also get mixed up with nearby pairs, the highest-scored neighbour is "Ike vs ith". Nearby pair

Confusion rank #396,377 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