Which to use
“codex” and “cover” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,932
- “codex” frequency rank
- #867
- “cover” frequency rank
- 23799
- confusion score
Side-by-Side Comparison
| Feature | codex | cover |
|---|---|---|
| Definition | An early manuscript book. | A lid. |
Where the eye mixes codex and cover
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: codex vs cover
A purely visual mix-up. codex (/ˈkəʊdɛks/) and cover (/ˈkʌvɚ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23799, derived from the frequency rank of both members and their visual similarity.
codex is recorded at frequency rank #22,932, classified as anoun, pronounced /ˈkəʊdɛks/. cover is at rank #867, tagged as anoun, pronounced /ˈkʌvɚ/.
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 23799, this pair ranks #406,674 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of codex vs cover
Shared letters: ceo. Private to "codex": dx. Private to "cover": rv.
"codex" · 5 letters · shape CVCVC · "cover" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "codex" and "cover" be used interchangeably?
Frequency check: "codex" vs "cover" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "codex" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cover" - compare definitions side by side with the headword page. Word entry
- This pair ranks #406,674 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "codex" and "cover" also get mixed up with nearby pairs, the highest-scored neighbour is "codex vs cower". 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 #406,674 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.