cobaltvscobayeConfusable pair

Which to use

“cobalt” and “cobaye” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#22,520
“cobalt” frequency rank
#30,099
“cobaye” frequency rank
52619
confusion score

Side-by-Side Comparison

Feature cobalt cobaye
Definition Élément chimique de symbole chimique Co et de numéro atomique 27. Petit mammifère appelé aussi cochon d’Inde, rongeur d’origine sud-américaine.

Where the eye mixes cobalt and cobaye

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. cobalt (CVCVCC) and cobaye (CVCVVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
cobalt
6 ch
cobaye

Visual trap between cobalt and cobaye

A purely visual mix-up. cobalt (\kɔ.balt\) and cobaye (\kɔ.baj\) 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 52619, derived from the frequency rank of both members and their visual similarity.

cobalt is recorded at frequency rank #22,520, classified as anoun, pronounced \kɔ.balt\. cobaye is at rank #30,099, tagged as anoun, pronounced \kɔ.baj\.

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 52619, this pair ranks #146,438 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cobalt vs cobaye

Shared letters: abco. Private to "cobalt": lt. Private to "cobaye": ey.

"cobalt" · 6 letters · shape CVCVCC  ·  "cobaye" · 6 letters · shape CVCVVV

Known mistypes of this pair

  • cobaltcboalt · ccobalt · coablt · coballt · cobaltt · cobatl · cobbalt · coblat
  • cobayecboaye · ccobaye · coabye · cobaey · cobayye · cobbaye · cobyae · ocbaye

Frequently Asked Questions

Do "cobalt" and "cobaye" mean the same thing in a sentence?
No. They are said differently (\kɔ.balt\ versus \kɔ.baj\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cobalt" vs "cobaye" - which ranks higher?
"cobalt" is the more common of the two: it sits at frequency rank #22,520 in our French list, against #30,099 for "cobaye". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "cobalt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cobaye" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #146,438 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cobalt" and "cobaye" also get mixed up with nearby pairs, the highest-scored neighbour is "coal vs cobalt". 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 #146,438 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list