devsDxWhich spelling fits?

Which to use

“de” and “Dx” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#582
“de” frequency rank
#21,193
“Dx” frequency rank
21775
confusion score

Side-by-Side Comparison

Feature de Dx
Definition The name of the Cyrillic script letter Д / д. Abbreviation of diagnosis.

Letter map: de vs Dx

Shared letters muted; letters that set de and Dx apart highlighted. Shared run: 1.

2 ch
de
2 ch
Dx

Spelling & dictionary notes on de vs Dx

de and Dx are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - e in “de” becomes x in “Dx”. Our composite confusion score for this pair is 21775, derived from the frequency rank of both members and their visual similarity.

de is recorded at frequency rank #582, classified as anoun, pronounced /ˈdɛ/. Dx is at rank #21,193, tagged as anoun.

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 21775, this pair ranks #421,438 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of de vs Dx

Shared letters: d. Private to "de": e. Private to "Dx": x.

"de" · 2 letters · shape CV  ·  "Dx" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "de" for "Dx" ever safe?
No. They differ by a single letter - e in “de” becomes x in “Dx”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "de" or "Dx"?
"de" is the more common of the two: it sits at frequency rank #582 in our English list, against #21,193 for "Dx". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "de" vs "Dx" is on the table, pick a follow-up below.

  • Full dictionary entry for "de" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Dx" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #421,438 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "de" and "Dx" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs Dx". Nearby pair

Confusion rank #421,438 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list