deivsdFWhich spelling fits?

Quick tell: dei is a noun, dF is a name, so they fill different roles in a sentence.

Which to use

“dei” is a noun and “dF” is a name - they look or sound alike but fill different roles in a sentence.

#13,767
“dei” frequency rank
#38,749
“dF” frequency rank
52516
confusion score

Side-by-Side Comparison

Feature dei dF
Definition Appel, convocation. Abréviation de Die Freiheitlichen, nom d’un parti politique italien.

Letter map: dei vs dF

Shared letters muted; letters that set dei and dF apart highlighted. Shared run: 1.

3 ch
dei
2 ch
dF

Part-of-speech tell for dei / dF

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dei is anoun and dFaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 52516, derived from the frequency rank of both members and their visual similarity.

dei is recorded at frequency rank #13,767, classified as anoun. dF is at rank #38,749, tagged as aname, pronounced \ˌdi.ˈɛf.fe\.

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 52516, this pair ranks #147,182 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dei vs dF

Shared letters: d. Private to "dei": ei. Private to "dF": f.

"dei" · 3 letters · shape CVV  ·  "dF" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "dei" for "dF" ever safe?
No - they are not even the same part of speech. "dei" is a noun and "dF" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "dei" vs "dF" - which ranks higher?
"dei" is the more common of the two: it sits at frequency rank #13,767 in our French list, against #38,749 for "dF". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "dei" and "dF". Here's where to go from here.

  • Full dictionary entry for "dei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dF" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #147,182 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dei" and "dF" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs dF". Nearby pair

Confusion rank #147,182 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