IvsimWhich spelling fits?

Quick tell: I is a pronoun, im is a verb, so they fill different roles in a sentence.

Which to use

“I” is a pronoun and “im” is a verb - they look or sound alike but fill different roles in a sentence.

#286
“I” frequency rank
#12,077
“im” frequency rank
12363
confusion score

Side-by-Side Comparison

Feature I im
Definition caso nominativo da primeira pessoa do singular, eu sou;

Letter map: I vs im

Shared letters muted; letters that set I and im apart highlighted. Shared run: 1.

1 ch
I
2 ch
im

Role in the sentence - I and im

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: I is apronoun and imaverb. On the page they differ by 1 extra letter(s) - “I” sits inside “im”. Our composite confusion score for this pair is 12363, derived from the frequency rank of both members and their visual similarity.

I is recorded at frequency rank #286, classified as apron, pronounced /aI/. im is at rank #12,077, tagged as averb.

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 12363, this pair ranks #60,257 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of I vs im

Shared letters: i. Private to "I": -. Private to "im": m.

"I" · 1 letters · shape V  ·  "im" · 2 letters · shape VC

Frequently Asked Questions

Can "I" and "im" be used interchangeably?
No - they are not even the same part of speech. "I" is a pronoun and "im" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "I" or "im"?
"I" is the more common of the two: it sits at frequency rank #286 in our Portuguese list, against #12,077 for "im". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "I" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "im" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,257 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "I" and "im" also get mixed up with nearby pairs, the highest-scored neighbour is "im vs ino". Nearby pair

Confusion rank #60,257 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list