DalekvsDerekConfusable pair

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

Which to use

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

#35,675
“Dalek” frequency rank
#7,005
“Derek” frequency rank
42680
confusion score

Side-by-Side Comparison

Feature Dalek Derek
Definition A member of a species of extraterrestrial cyborg mutants who appear in the television programme Doctor Who and are known for travelling in metallic shells, having monotone, mechanically distorted voices, repeating a limited number of phrases, and their fanatical obsession with exterminating other, non-Dalek beings. A male given name from the Germanic languages.

Where the eye mixes Dalek and Derek

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
Dalek
5 ch
Derek

Look-alike desk: Dalek vs Derek

These two trip readers on the page rather than in the ear: Dalek is /ˈdɑːlɛk/ while Derek is /ˈdɛɹɪk/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 42680, derived from the frequency rank of both members and their visual similarity.

Dalek is recorded at frequency rank #35,675, classified as anoun, pronounced /ˈdɑːlɛk/. Derek is at rank #7,005, tagged as aname, pronounced /ˈdɛɹɪk/.

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 42680, this pair ranks #247,046 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Dalek vs Derek

Shared letters: dek. Private to "Dalek": al. Private to "Derek": r.

"Dalek" · 5 letters · shape CVCVC  ·  "Derek" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Dalekadlek · daelk · dalekk · dalke · dallek · ddalek · dlaek
  • Derekdderek · deerk · derekk · derke · derrek · dreek · edrek

Frequently Asked Questions

Is swapping "Dalek" for "Derek" ever safe?
No - they are not even the same part of speech. "Dalek" is a noun and "Derek" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Dalek" or "Derek"?
"Derek" is the more common of the two: it sits at frequency rank #7,005 in our English list, against #35,675 for "Dalek". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "Dalek" and "Derek" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Dalek" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Derek" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #247,046 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Dalek" and "Derek" also get mixed up with nearby pairs, the highest-scored neighbour is "Dalek vs Dalia". 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 #247,046 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