suhvsSuiWhich spelling fits?

Quick tell: suh is a noun, Sui is a name, so they fill different roles in a sentence.

Which to use

“suh” is a noun and “Sui” is a name - they look or sound alike but fill different roles in a sentence.

#30,248
“suh” frequency rank
#28,040
“Sui” frequency rank
58288
confusion score

Side-by-Side Comparison

Feature suh Sui
Definition Pronunciation spelling of sir, usually to suggest the speech of African-American slaves. The Sui dynasty of China which ruled from 581 to 618.

Letter map: suh vs Sui

Shared letters muted; letters that set suh and Sui apart highlighted. Shared run: 2.

3 ch
suh
3 ch
Sui

Role in the sentence - suh and Sui

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: suh is anoun and Suianame. On the page they differ by a single letter - h in “suh” becomes i in “Sui”. Our composite confusion score for this pair is 58288, derived from the frequency rank of both members and their visual similarity.

suh is recorded at frequency rank #30,248, classified as anoun. 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 58288, this pair ranks #113,569 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of suh vs Sui

Shared letters: su. Private to "suh": h. Private to "Sui": i.

"suh" · 3 letters · shape CVC  ·  "Sui" · 3 letters · shape CVV

Frequently Asked Questions

Can "suh" and "Sui" be used interchangeably?
No - they are not even the same part of speech. "suh" is a noun and "Sui" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "suh" vs "Sui" - which ranks higher?
"Sui" is the more common of the two: it sits at frequency rank #28,040 in our English list, against #30,248 for "suh". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "suh" and "Sui". Here's where to go from here.

  • Full dictionary entry for "suh" 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 #113,569 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "suh" and "Sui" also get mixed up with nearby pairs, the highest-scored neighbour is "suh vs sura". Nearby pair

Confusion rank #113,569 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