K9vsKeWhich spelling fits?

Quick tell: K9 is a noun, Ke is a name, so they fill different roles in a sentence.

Which to use

“K9” is a noun and “Ke” is a name - they look or sound alike but fill different roles in a sentence.

#36,625
“K9” frequency rank
#14,978
“Ke” frequency rank
51603
confusion score

Side-by-Side Comparison

Feature K9 Ke
Definition A trained police dog. A surname.

Letter map: K9 vs Ke

Shared letters muted; letters that set K9 and Ke apart highlighted. Shared run: 1. K9 runs 1 letters (C) against Ke's 2 (CV) - the length gap alone is often enough to separate them once you know to check it.

2 ch
K9
2 ch
Ke

Grammar separator: K9 vs Ke

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: K9 is anoun and Keaname. On the page they differ by a single letter - 9 in “K9” becomes e in “Ke”. Our composite confusion score for this pair is 51603, derived from the frequency rank of both members and their visual similarity.

K9 is recorded at frequency rank #36,625, classified as anoun, pronounced /ˈkeɪnaɪn/. Ke is at rank #14,978, tagged as aname.

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 51603, this pair ranks #164,079 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of K9 vs Ke

Shared letters: k. Private to "K9": -. Private to "Ke": e.

"K9" · 1 letters · shape C  ·  "Ke" · 2 letters · shape CV

Frequently Asked Questions

Do "K9" and "Ke" mean the same thing in a sentence?
No - they are not even the same part of speech. "K9" is a noun and "Ke" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "K9" vs "Ke" - which ranks higher?
"Ke" is the more common of the two: it sits at frequency rank #14,978 in our English list, against #36,625 for "K9". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "K9" and "Ke". Here's where to go from here.

  • Full dictionary entry for "K9" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ke" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #164,079 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "K9" and "Ke" also get mixed up with nearby pairs, the highest-scored neighbour is "K9 vs Kop". Nearby pair

Confusion rank #164,079 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