codexvscoreConfusable pair

Which to use

“codex” and “core” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#47,247
“codex” frequency rank
#9,649
“core” frequency rank
56896
confusion score

Side-by-Side Comparison

Feature codex core
Definition códice, códex núcleo de processamento

Where the eye mixes codex and core

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

5 ch
codex
4 ch
core

Visual trap between codex and core

A purely visual mix-up. codex (/kɔ.dɛks/) and core (ˈkɔ.ɾɪ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56896, derived from the frequency rank of both members and their visual similarity.

codex is recorded at frequency rank #47,247, classified as anoun, pronounced /kɔ.dɛks/. core is at rank #9,649, tagged as anoun, pronounced ˈkɔ.ɾɪ/.

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 56896, this pair ranks #9,666 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of codex vs core

Shared letters: ceo. Private to "codex": dx. Private to "core": r.

"codex" · 5 letters · shape CVCVC  ·  "core" · 4 letters · shape CVCV

Known mistypes of this pair

  • codexccodex · cdoex · coddex · codexx · codxe · coedx · ocdex
  • coreccore · coer · corre · croe · ocre

Frequently Asked Questions

Can "codex" and "core" be used interchangeably?
No. They are said differently (/kɔ.dɛks/ versus ˈkɔ.ɾɪ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "codex" vs "core" - which ranks higher?
"core" is the more common of the two: it sits at frequency rank #9,649 in our Portuguese list, against #47,247 for "codex". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "codex" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "core" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,666 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "codex" and "core" also get mixed up with nearby pairs, the highest-scored neighbour is "codex vs cozer". 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 #9,666 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list