devsdyWhich spelling fits?

Quick tell: de is a noun, dy is a verb, so they fill different roles in a sentence.

Which to use

“de” is a noun and “dy” is a verb - they look or sound alike but fill different roles in a sentence.

#582
“de” frequency rank
#29,635
“dy” frequency rank
30217
confusion score

Side-by-Side Comparison

Feature de dy
Definition The name of the Cyrillic script letter Д / д. Obsolete form of die.

Letter map: de vs dy

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

2 ch
de
2 ch
dy

Part-of-speech tell for de / dy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: de is anoun and dyaverb. On the page they differ by a single letter - e in “de” becomes y in “dy”. Our composite confusion score for this pair is 30217, derived from the frequency rank of both members and their visual similarity.

de is recorded at frequency rank #582, classified as anoun, pronounced /ˈdɛ/. dy is at rank #29,635, tagged as averb.

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 30217, this pair ranks #356,423 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of de vs dy

Shared letters: d. Private to "de": e. Private to "dy": y.

"de" · 2 letters · shape CV  ·  "dy" · 2 letters · shape CV

Frequently Asked Questions

Can "de" and "dy" be used interchangeably?
No - they are not even the same part of speech. "de" is a noun and "dy" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "de" or "dy" show up more?
"de" is the more common of the two: it sits at frequency rank #582 in our English list, against #29,635 for "dy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "de" and "dy".

  • Full dictionary entry for "de" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #356,423 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "de" and "dy" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dy". Nearby pair

Confusion rank #356,423 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