sunvsSureConfusable pair

Which to use

“sun” and “Sure” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,698
“sun” frequency rank
#33,629
“Sure” frequency rank
41327
confusion score

Side-by-Side Comparison

Feature sun Sure
Definition Sol surata

Where the eye mixes sun and Sure

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
sun
4 ch
Sure

Look-alike desk: sun vs Sure

A purely visual mix-up. sun (/sʌn/) and Sure (/ˈzuːrə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41327, derived from the frequency rank of both members and their visual similarity.

sun is recorded at frequency rank #7,698, classified as anoun, pronounced /sʌn/. Sure is at rank #33,629, tagged as anoun, pronounced /ˈzuːrə/.

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 41327, this pair ranks #24,595 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sun vs Sure

Shared letters: su. Private to "sun": n. Private to "Sure": er.

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

Known mistypes of this pair

  • Suresrue · ssure · suer · surre · usre

Frequently Asked Questions

Is swapping "sun" for "Sure" ever safe?
No. They are said differently (/sʌn/ versus /ˈzuːrə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sun" or "Sure"?
"sun" is the more common of the two: it sits at frequency rank #7,698 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.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sun" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sure" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,595 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sun" and "Sure" 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 #24,595 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