if vs im, What's the Difference?

Which to use

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

#5,207
“if” frequency rank: #12,077
“im” frequency rank: 17284
confusion score

Side-by-Side Comparison

Feature	if	im
Definition	equivalente à conjunção se	sou;

Letter map: if vs im

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

2 ch

Part-of-speech tell for if / im

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: if is aconjunction and imaverb. On the page they differ by a single letter - f in “if” becomes m in “im”. Our composite confusion score for this pair is 17284, derived from the frequency rank of both members and their visual similarity.

if is recorded at frequency rank #5,207, classified as aconj, pronounced /ɪf/. 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 17284, this pair ranks #54,002 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of if vs im

Shared letters: i. Private to "if": f. Private to "im": m.

"if" · 2 letters · shape VC · "im" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "if" for "im" ever safe?

No - they are not even the same part of speech. "if" is a conjunction and "im" a verb, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "if" vs "im" - which ranks higher?

"if" is the more common of the two: it sits at frequency rank #5,207 in our Portuguese list, against #12,077 for "im". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "if" and "im". Here's where to go from here.

Full dictionary entry for "if" 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 #54,002 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"if" and "im" also get mixed up with nearby pairs, the highest-scored neighbour is "im vs ino". Nearby pair

Confusion rank #54,002 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.