Sui

/sweɪ/

//sweɪ// name

By · According to Wiktionary data (CC BY-SA) ·

"sui" is a 3-letter English headword indexed on PlainSpell.

The verdict

“Sui” sits in 20 confusable pairs (corpus #28,040) as a proper noun. The look-alike neighbours are the real trap.

#28,040
frequency rank, English
6,566
“S” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The Sui dynasty of China which ruled from 581 to 618.

Corpus desk

Index EN-sui · Sui · English

Sui · rank #28,040 · 0 variants · 20 confusables

  • FREQ-MID #28,040
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH sufficiency

Nearest frequency peer: sufficiency (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbours of confusable “Sui”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “Sui” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Sui vs SW
33% similar
Sui vs SV
33% similar
Sui vs Sy
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Sui
PropertyValue
HeadwordSui
LanguageEnglish
Part of speechProper noun
IPA/sweɪ/
Letters3
Frequency rank#28,040
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “Sui”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).Suilands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “sufficiency” (#28,039), “subversion” (#28,038), “Sumatra” (#28,042). Among 6,566 “S” headwords, “Sui” is #28,040. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for Sui is neighbouring look-alikes ("SW", "SV", …), not just typos; it is aproper noun pronounced /sweɪ/. Frequency #28,040 among 6,566 “S” headwords. 2 recorded senses keep meaning in play.

The misspelling generator found no plausible variants for Sui, typically a sign the spelling maps closely to how the word sounds. It also participates in 20 confusable-pair relationships, "SW", "SV", "Sy", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Mandarin 隋 (Suí). The correct English form is Sui, spelled S-U-I.

Definition

  1. 1
    The Sui dynasty of China which ruled from 581 to 618.
  2. 2
    A surname of Chinese origin.

Etymology

From Mandarin 隋 (Suí).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Sui"?
"Sui" is spelled S-U-I. The IPA pronunciation is /sweɪ/.
What does "Sui" mean?
As a proper noun, "Sui" means: The Sui dynasty of China which ruled from 581 to 618.
What words are commonly confused with "Sui"?
"Sui" is commonly confused with "SW", "SV", "Sy". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Sui"?
The IPA (International Phonetic Alphabet) transcription for "Sui" is /sweɪ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Sui"?
From Mandarin 隋 (Suí). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Sui", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

syn#28,044SME#28,024tru#28,061ute#28,075

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

Source: FrequencyWords open word-frequency list