suravssureWhat's the difference?

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

Which to use

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

#49,659
“sura” frequency rank
#202
“sure” frequency rank
49861
confusion score

Side-by-Side Comparison

Feature sura sure
Definition Any of the 114 chapters of the Quran. Physically secure and certain, non-failing, reliable.

Where the eye mixes sura and sure

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sura and sure follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
sura
4 ch
sure

Why the eye confuses sura with sure

These two trip readers on the page rather than in the ear: sura is /ˈsʊə.ɹə/ while sure is /ʃɔː(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “sura” becomes e in “sure”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 49861, derived from the frequency rank of both members and their visual similarity.

sura is recorded at frequency rank #49,659, classified as anoun, pronounced /ˈsʊə.ɹə/. sure is at rank #202, tagged as anadj, pronounced /ʃɔː(ɹ)/.

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 49861, this pair ranks #179,595 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sura vs sure

Shared letters: rsu. Private to "sura": a. Private to "sure": e.

"sura" · 4 letters · shape CVCV  ·  "sure" · 4 letters · shape CVCV

Known mistypes of this pair

  • surasrua · ssura · suar · surra · usra
  • suresrue · ssure · suer · surre · usre

Frequently Asked Questions

Is swapping "sura" for "sure" ever safe?
No - they are not even the same part of speech. "sura" is a noun and "sure" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sura" or "sure" show up more?
"sure" is the more common of the two: it sits at frequency rank #202 in our English list, against #49,659 for "sura". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "sura" and "sure" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sura" 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 #179,595 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sura" and "sure" also get mixed up with nearby pairs, the highest-scored neighbour is "suds vs sura". 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 #179,595 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list