Which to use
“knob” is a noun and “Kos” is a name - they look or sound alike but fill different roles in a sentence.
- #15,203
- “knob” frequency rank
- #27,534
- “Kos” frequency rank
- 42737
- confusion score
Side-by-Side Comparison
| Feature | knob | Kos |
|---|---|---|
| Definition | A rounded protuberance, especially one arising from a flat surface; a fleshy lump or caruncle. | An island of the Dodecanese, Greece. |
Letter map: knob vs Kos
Shared letters muted; letters that set knob and Kos apart highlighted. Shared run: 2.
Role in the sentence - knob and Kos
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: knob is anoun and Kosaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42737, derived from the frequency rank of both members and their visual similarity.
knob is recorded at frequency rank #15,203, classified as anoun, pronounced /nɒb/. 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 42737, this pair ranks #246,526 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of knob vs Kos
Shared letters: ko. Private to "knob": bn. Private to "Kos": s.
"knob" · 4 letters · shape CCVC · "Kos" · 3 letters · shape CVC
Known mistypes of this pair
- knob ← kknob · knbo · knnob · knobb · konb · nkob
Frequently Asked Questions
Is swapping "knob" for "Kos" ever safe?
Which is more common, "knob" or "Kos"?
After this comparison
Pair "knob" vs "Kos" is on the table, pick a follow-up below.
- Full dictionary entry for "knob" 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 #246,526 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "knob" 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 #246,526 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.