kinvsKosWhich spelling fits?

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

Which to use

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

#12,087
“kin” frequency rank
#27,534
“Kos” frequency rank
39621
confusion score

Side-by-Side Comparison

Feature kin Kos
Definition Race; family; breed; kind. An island of the Dodecanese, Greece.

Letter map: kin vs Kos

Shared letters muted; letters that set kin and Kos apart highlighted. Shared run: 1.

3 ch
kin
3 ch
Kos

Part-of-speech tell for kin / Kos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kin is anoun and Kosaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 39621, derived from the frequency rank of both members and their visual similarity.

kin is recorded at frequency rank #12,087, classified as anoun, pronounced /kɪn/. Kos is at rank #27,534, 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 39621, this pair ranks #274,994 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kin vs Kos

Shared letters: k. Private to "kin": in. Private to "Kos": os.

"kin" · 3 letters · shape CVC  ·  "Kos" · 3 letters · shape CVC

Frequently Asked Questions

Do "kin" and "Kos" mean the same thing in a sentence?
No - they are not even the same part of speech. "kin" is a noun and "Kos" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "kin" or "Kos"?
"kin" is the more common of the two: it sits at frequency rank #12,087 in our English list, against #27,534 for "Kos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "kin" and "Kos". Here's where to go from here.

  • Full dictionary entry for "kin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #274,994 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "kin" and "Kos" also get mixed up with nearby pairs, the highest-scored neighbour is "Kop vs Kos". Nearby pair

Confusion rank #274,994 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