sungvssureTell them apart

Quick tell: sung is a verb, sure is an adjective, so they fill different roles in a sentence.

Which to use

“sung” is a verb and “sure” is an adjective - they look or sound alike but fill different roles in a sentence.

#26,197
“sung” frequency rank
#8,164
“sure” frequency rank
34361
confusion score

Side-by-Side Comparison

Feature sung sure
Definition Participe passé de sing. Féminin singulier de sur : qui a un goût acide et aigrelet.

Where the eye mixes sung and sure

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

4 ch
sung
4 ch
sure

Look-alike desk: sung vs sure

These two trip readers on the page rather than in the ear: sung is \ˈsʌŋ\ while sure is \syʁ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 34361, derived from the frequency rank of both members and their visual similarity.

sung is recorded at frequency rank #26,197, classified as averb, pronounced \ˈsʌŋ\. sure is at rank #8,164, tagged as anadj, pronounced \syʁ\.

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 34361, this pair ranks #284,380 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sung vs sure

Shared letters: su. Private to "sung": gn. Private to "sure": er.

"sung" · 4 letters · shape CVCC  ·  "sure" · 4 letters · shape CVCV

Known mistypes of this pair

  • sungsnug · ssung · sugn · sungg · sunng · usng
  • suresrue · ssure · surre · usre

Frequently Asked Questions

Is swapping "sung" for "sure" ever safe?
No - they are not even the same part of speech. "sung" is a verb and "sure" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sung" vs "sure" - which ranks higher?
"sure" is the more common of the two: it sits at frequency rank #8,164 in our French list, against #26,197 for "sung". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sung" 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 #284,380 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sung" and "sure" also get mixed up with nearby pairs, the highest-scored neighbour is "sung vs suu". 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 #284,380 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list