Cui

name

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

The verdict

“Cui” sits in 20 confusable pairs (corpus #39,761) as a proper noun. The look-alike neighbours are the real trap.

#39,761
frequency rank, English
5,599
“C” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A surname from Mandarin.

Corpus desk

Index EN-cui · Cui · English

Cui · rank #39,761 · 0 variants · 20 confusables

  • FREQ-MID #39,761
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH cringing

Nearest frequency peer: cringing (-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 “Cui”

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

corpus weight

What this shows Bars place “Cui” 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).

Cui vs CV
33% similar
Cui vs CW
33% similar
Cui vs CX
33% similar

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

Key facts for Cui
PropertyValue
HeadwordCui
LanguageEnglish
Part of speechProper noun
Letters3
Frequency rank#39,761
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “Cui”

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).Cuilands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “cringing” (#39,760), “culminate” (#39,762), “courtiers” (#39,759). Among 5,599 “C” headwords, “Cui” is #39,761. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for Cui is neighbouring look-alikes ("CV", "CW", …), not just typos; it is aproper noun. Frequency #39,761 among 5,599 “C” headwords. Gloss: "A surname from Mandarin.".

Zero misspellings are on record for Cui in our index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "CV", "CW", "CX", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Pinyin romanization of Mandarin 崔 (cuī). Doublet of Chui. The correct English form is Cui, spelled C-U-I.

Definition

  1. 1
    A surname from Mandarin.

Etymology

Pinyin romanization of Mandarin 崔 (cuī). Doublet of Chui.

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 "Cui"?
"Cui" is spelled C-U-I.
What does "Cui" mean?
As a proper noun, "Cui" means: A surname from Mandarin.
What words are commonly confused with "Cui"?
"Cui" is commonly confused with "CV", "CW", "CX". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "Cui"?
Pinyin romanization of Mandarin 崔 (cuī). Doublet of Chui. 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 "Cui", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list