KeivskunWhat's the difference?

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

Which to use

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

#29,712
“Kei” frequency rank
#17,465
“kun” frequency rank
47177
confusion score

Side-by-Side Comparison

Feature Kei kun
Definition Hipocorístico de Keila. Aceite de animal.

Where the spellings diverge

Shared letters are muted; the letters that actually set Kei and kun apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
Kei
3 ch
kun

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: Kei is [ˈkej] while kun is [kun]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47177, derived from the frequency rank of both members and their visual similarity.

Kei is recorded at frequency rank #29,712, classified as aname, pronounced [ˈkej]. kun is at rank #17,465, tagged as anoun, pronounced [kun].

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 47177, this pair ranks #121,522 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Kei vs kun

Shared letters: k. Private to "Kei": ei. Private to "kun": nu.

"Kei" · 3 letters · shape CVV  ·  "kun" · 3 letters · shape CVC

Frequency comparison

Kei#29,712
kun#17,465

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "Kei" and "kun" be used interchangeably?
No - they are not even the same part of speech. "Kei" is a name and "kun" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Kei" or "kun"?
"kun" is the more common of the two: it sits at frequency rank #17,465 in our Spanish list, against #29,712 for "Kei". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering Kei vs kun

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “Kei”; for a noun, it's “kun”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “Kei” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list