Which to use
“deco” and “def” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,324
- “deco” frequency rank
- #20,691
- “def” frequency rank
- 47015
- confusion score
Side-by-Side Comparison
| Feature | deco | def |
|---|---|---|
| Definition | Décence. | Casquette. |
Where the eye mixes deco and def
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between deco and def
A purely visual mix-up. deco (\ˈdɛ.ʦɔ\) and def (\dɛf\) 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 47015, derived from the frequency rank of both members and their visual similarity.
deco is recorded at frequency rank #26,324, classified as anoun, pronounced \ˈdɛ.ʦɔ\. def is at rank #20,691, tagged as anoun, pronounced \dɛf\.
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 47015, this pair ranks #190,310 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of deco vs def
Shared letters: de. Private to "deco": co. Private to "def": f.
"deco" · 4 letters · shape CVCV · "def" · 3 letters · shape CVC
Known mistypes of this pair
- deco ← dceo · ddeco · decco · deoc · edco
Frequently Asked Questions
Do "deco" and "def" mean the same thing in a sentence?
In ordinary French text, does "deco" or "def" show up more?
What to do next
Eye-level mix-up between "deco" and "def" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "deco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "def" - compare definitions side by side with the headword page. Word entry
- This pair ranks #190,310 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "deco" and "def" also get mixed up with nearby pairs, the highest-scored neighbour is "dèche vs deco". 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 #190,310 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.