Sure vs sus, What's the Difference?

Which to use

“Sure” is a noun and “sus” is an intj - they look or sound alike but fill different roles in a sentence.

#33,629
“Sure” frequency rank: #7,578
“sus” frequency rank: 41207
confusion score

Side-by-Side Comparison

Feature	Sure	sus
Definition	surata	interjeição que demonstra impaciência (século XVI)

Letter map: Sure vs sus

Shared letters muted; letters that set Sure and sus apart highlighted. Shared run: 2.

4 ch

Sure

3 ch

sus

Grammar separator: Sure vs sus

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Sure is anoun and susanintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41207, derived from the frequency rank of both members and their visual similarity.

Sure is recorded at frequency rank #33,629, classified as anoun, pronounced /ˈzuːrə/. sus is at rank #7,578, tagged as anintj.

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 41207, this pair ranks #24,752 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sure vs sus

Shared letters: su. Private to "Sure": er. Private to "sus": -.

"Sure" · 4 letters · shape CVCV · "sus" · 3 letters · shape CVC

Known mistypes of this pair

Sure ← srue · ssure · suer · surre · usre

Frequently Asked Questions

Do "Sure" and "sus" mean the same thing in a sentence?

No - they are not even the same part of speech. "Sure" is a noun and "sus" an intj, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "Sure" vs "sus" - which ranks higher?

"sus" is the more common of the two: it sits at frequency rank #7,578 in our Portuguese list, against #33,629 for "Sure". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Sure" and "sus". Here's where to go from here.

Full dictionary entry for "Sure" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "sus" - compare definitions side by side with the headword page. Word entry
This pair ranks #24,752 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"Sure" and "sus" also get mixed up with nearby pairs, the highest-scored neighbour is "sire vs Sure". 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 #24,752 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.