knowsvsKosWhich spelling fits?

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

Which to use

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

#906
“knows” frequency rank
#27,534
“Kos” frequency rank
28440
confusion score

Side-by-Side Comparison

Feature knows Kos
Definition third-person singular simple present indicative of know An island of the Dodecanese, Greece.

Letter map: knows vs Kos

Shared letters muted; letters that set knows and Kos apart highlighted. Shared run: 3.

5 ch
knows
3 ch
Kos

Part-of-speech tell for knows / Kos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: knows is averb and Kosaname. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 28440, derived from the frequency rank of both members and their visual similarity.

knows is recorded at frequency rank #906, classified as averb, pronounced /nəʊz/. 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 28440, this pair ranks #371,073 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of knows vs Kos

Shared letters: kos. Private to "knows": nw. Private to "Kos": -.

"knows" · 5 letters · shape CCVCC  ·  "Kos" · 3 letters · shape CVC

Known mistypes of this pair

  • knowskknows · knnows · knosw · knowss · knowws · knwos · konws · nkows

Frequently Asked Questions

Can "knows" and "Kos" be used interchangeably?
No - they are not even the same part of speech. "knows" is a verb and "Kos" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "knows" vs "Kos" - which ranks higher?
"knows" is the more common of the two: it sits at frequency rank #906 in our English list, against #27,534 for "Kos". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "knows" vs "Kos" is on the table, pick a follow-up below.

  • Full dictionary entry for "knows" 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 #371,073 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "knows" and "Kos" also get mixed up with nearby pairs, the highest-scored neighbour is "Kop vs Kos". 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 #371,073 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