SuezvsSuiWhat's the difference?

Which to use

“Suez” and “Sui” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#22,829
“Suez” frequency rank
#28,040
“Sui” frequency rank
50869
confusion score

Side-by-Side Comparison

Feature Suez Sui
Definition A city in northeastern Egypt. The Sui dynasty of China which ruled from 581 to 618.

Where the eye mixes Suez and Sui

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

4 ch
Suez
3 ch
Sui

Why the eye confuses Suez with Sui

A purely visual mix-up. Suez (/ˈsuː.ɛz/) and Sui (/sweɪ/) 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 50869, derived from the frequency rank of both members and their visual similarity.

Suez is recorded at frequency rank #22,829, classified as aname, pronounced /ˈsuː.ɛz/. Sui is at rank #28,040, tagged as aname, pronounced /sweɪ/.

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 50869, this pair ranks #170,426 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Suez vs Sui

Shared letters: su. Private to "Suez": ez. Private to "Sui": i.

"Suez" · 4 letters · shape CVVC  ·  "Sui" · 3 letters · shape CVV

Known mistypes of this pair

  • Suezseuz · ssuez · suezz · suze · usez

Frequently Asked Questions

Is swapping "Suez" for "Sui" ever safe?
No. They are said differently (/ˈsuː.ɛz/ versus /sweɪ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Suez" vs "Sui" - which ranks higher?
"Suez" is the more common of the two: it sits at frequency rank #22,829 in our English list, against #28,040 for "Sui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Suez" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #170,426 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Suez" and "Sui" also get mixed up with nearby pairs, the highest-scored neighbour is "Sui 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 #170,426 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