Which to use
“CHF” is a noun and “CQFD” is an intj - they look or sound alike but fill different roles in a sentence.
- #34,022
- “CHF” frequency rank
- #23,820
- “CQFD” frequency rank
- 57842
- confusion score
Side-by-Side Comparison
| Feature | CHF | CQFD |
|---|---|---|
| Definition | CHF\tse:,haː,ɛf\masculin | Ce qu’il fallait démontrer, dans une démonstration logique ou mathématique. |
Where the eye mixes CHF and CQFD
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. CHF runs 3 letters (CCC) against CQFD's 4 (CCCC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses CHF with CQFD
These two trip readers on the page rather than in the ear: CHF is \tse:,haː,ɛf\ while CQFD is \se.ky.ɛf.de\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 57842, derived from the frequency rank of both members and their visual similarity.
CHF is recorded at frequency rank #34,022, classified as anoun, pronounced \tse:,haː,ɛf\. CQFD is at rank #23,820, tagged as anintj, pronounced \se.ky.ɛf.de\.
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 57842, this pair ranks #112,604 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of CHF vs CQFD
Shared letters: cf. Private to "CHF": h. Private to "CQFD": dq.
"CHF" · 3 letters · shape CCC · "CQFD" · 4 letters · shape CCCC
Known mistypes of this pair
- CQFD ← ccqfd · cfqd · cqdf · cqfdd · cqffd · cqqfd · qcfd
Frequently Asked Questions
Do "CHF" and "CQFD" mean the same thing in a sentence?
In ordinary French text, does "CHF" or "CQFD" show up more?
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 "CHF" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CQFD" - compare definitions side by side with the headword page. Word entry
- This pair ranks #112,604 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CHF" and "CQFD" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CHF". 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 #112,604 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.