knollvsKrollWhat's the difference?

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

Which to use

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

#32,887
“knoll” frequency rank
#47,720
“Kroll” frequency rank
80607
confusion score

Side-by-Side Comparison

Feature knoll Kroll
Definition A small mound or rounded hill. A surname.

Letter map: knoll vs Kroll

Shared letters muted; letters that set knoll and Kroll apart highlighted. Shared run: 4. knoll and Kroll follow the identical consonant-vowel pattern (CCVCC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
knoll
5 ch
Kroll

Role in the sentence - knoll and Kroll

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: knoll is anoun and Krollaname. On the page they differ by a single letter - n in “knoll” becomes r in “Kroll”. Our composite confusion score for this pair is 80607, derived from the frequency rank of both members and their visual similarity.

knoll is recorded at frequency rank #32,887, classified as anoun, pronounced /nəʊl/. Kroll is at rank #47,720, 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 80607, this pair ranks #19,438 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of knoll vs Kroll

Shared letters: klo. Private to "knoll": n. Private to "Kroll": r.

"knoll" · 5 letters · shape CCVCC  ·  "Kroll" · 5 letters · shape CCVCC

Known mistypes of this pair

  • knoll ← kknoll · knlol · knnoll · knol · konll · nkoll
  • Kroll ← kkroll · korll · krlol · krol · krroll · rkoll

Frequently Asked Questions

Can "knoll" and "Kroll" be used interchangeably?
No - they are not even the same part of speech. "knoll" is a noun and "Kroll" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "knoll" or "Kroll" show up more?
"knoll" is the more common of the two: it sits at frequency rank #32,887 in our English list, against #47,720 for "Kroll". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "knoll" and "Kroll". Here's where to go from here.

  • Full dictionary entry for "knoll" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kroll" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,438 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "knoll" and "Kroll" also get mixed up with nearby pairs, the highest-scored neighbour is "knell vs Kroll". 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 #19,438 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