KluxvskyuWhich spelling fits?

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

Which to use

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

#34,560
“Klux” frequency rank
#35,806
“kyu” frequency rank
70366
confusion score

Side-by-Side Comparison

Feature Klux kyu
Definition Ellipsis of Ku Klux Klan. A grade or rank in various Japanese activities such as martial arts, flower arranging, and the game of go.

Letter map: Klux vs kyu

Shared letters muted; letters that set Klux and kyu apart highlighted. Shared run: 2. Klux runs 4 letters (CCVC) against kyu's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Klux
3 ch
kyu

Grammar separator: Klux vs kyu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Klux is aname and kyuanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 70366, derived from the frequency rank of both members and their visual similarity.

Klux is recorded at frequency rank #34,560, classified as aname, pronounced /klʌks/. kyu is at rank #35,806, tagged as anoun.

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 70366, this pair ranks #50,867 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Klux vs kyu

Shared letters: ku. Private to "Klux": lx. Private to "kyu": y.

"Klux" · 4 letters · shape CCVC  ·  "kyu" · 3 letters · shape CVV

Known mistypes of this pair

  • Klux ← kklux · kllux · kluxx · klxu · kulx · lkux

Frequently Asked Questions

Is swapping "Klux" for "kyu" ever safe?
No - they are not even the same part of speech. "Klux" is a name and "kyu" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Klux" or "kyu"?
"Klux" is the more common of the two: it sits at frequency rank #34,560 in our English list, against #35,806 for "kyu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "Klux" vs "kyu" is on the table, pick a follow-up below.

  • Full dictionary entry for "Klux" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kyu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,867 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Klux" and "kyu" also get mixed up with nearby pairs, the highest-scored neighbour is "Kop vs kyu". 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 #50,867 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