I'svsissaConfusable pair

Quick tell: I's is a noun, issa is a contraction, so they fill different roles in a sentence.

Which to use

“I's” is a noun and “issa” is a contraction - they look or sound alike but fill different roles in a sentence.

#25,096
“I's” frequency rank
#21,249
“issa” frequency rank
46345
confusion score

Side-by-Side Comparison

Feature I's issa
Definition plural of I (letter of the alphabet or the ego) Contraction of it's + a.

Letter map: I's vs issa

Shared letters muted; letters that set I's and issa apart highlighted. Shared run: 2.

3 ch
I's
4 ch
issa

Role in the sentence - I's and issa

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: I's is anoun and issaacontraction. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46345, derived from the frequency rank of both members and their visual similarity.

I's is recorded at frequency rank #25,096, classified as anoun. issa is at rank #21,249, tagged as acontraction, pronounced /ˈɪsə/.

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 46345, this pair ranks #212,669 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of I's vs issa

Shared letters: is. Private to "I's": -. Private to "issa": a.

"I's" · 2 letters · shape VC  ·  "issa" · 4 letters · shape VCCV

Known mistypes of this pair

  • issaisas · sisa

Frequently Asked Questions

Is swapping "I's" for "issa" ever safe?
No - they are not even the same part of speech. "I's" is a noun and "issa" a contraction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "I's" or "issa"?
"issa" is the more common of the two: it sits at frequency rank #21,249 in our English list, against #25,096 for "I's". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "I's" vs "issa" is on the table, pick a follow-up below.

  • Full dictionary entry for "I's" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "issa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #212,669 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "I's" and "issa" also get mixed up with nearby pairs, the highest-scored neighbour is "I's vs ith". 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 #212,669 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