codexvscoverConfusable pair

Quick tell: codex is a noun, cover is a verb, so they fill different roles in a sentence.

Which to use

“codex” is a noun and “cover” is a verb - they look or sound alike but fill different roles in a sentence.

#17,248
“codex” frequency rank
#5,813
“cover” frequency rank
23061
confusion score

Side-by-Side Comparison

Feature codex cover
Definition Arzneibuch, Kodex 2. Person Singular Imperativ Präsens Aktiv des Verbs covern

Where the eye mixes codex and cover

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

5 ch
codex
5 ch
cover

Look-alike desk: codex vs cover

These two trip readers on the page rather than in the ear: codex is [kɔ.dɛks] while cover is [ˈkavɐ]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 23061, derived from the frequency rank of both members and their visual similarity.

codex is recorded at frequency rank #17,248, classified as anoun, pronounced [kɔ.dɛks]. cover is at rank #5,813, tagged as averb, pronounced [ˈkavɐ].

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 23061, this pair ranks #1,866,270 of 2,006,359 scored German 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

  • codexccodex · cdoex · coddex · codexx · codxe · coedx · ocdex
  • coverccover · coevr · coverr · covre · covver · cvoer · ocver

Frequently Asked Questions

Can "codex" and "cover" be used interchangeably?
No - they are not even the same part of speech. "codex" is a noun and "cover" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "codex" vs "cover" - which ranks higher?
"cover" is the more common of the two: it sits at frequency rank #5,813 in our German list, against #17,248 for "codex". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 #1,866,270 of 2,006,359 scored German 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 Cortex". 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 #1,866,270 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list