davsdyWhich spelling fits?

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

Which to use

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

#2,782
“da” frequency rank
#29,635
“dy” frequency rank
32417
confusion score

Side-by-Side Comparison

Feature da dy
Definition Father. Obsolete form of die.

Letter map: da vs dy

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

2 ch
da
2 ch
dy

Grammar separator: da vs dy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: da is anoun and dyaverb. On the page they differ by a single letter - a in “da” becomes y in “dy”. Our composite confusion score for this pair is 32417, derived from the frequency rank of both members and their visual similarity.

da is recorded at frequency rank #2,782, classified as anoun, pronounced /dɑː/. 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 32417, this pair ranks #337,945 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of da vs dy

Shared letters: d. Private to "da": a. Private to "dy": y.

"da" · 2 letters · shape CV  ·  "dy" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "da" for "dy" ever safe?
No - they are not even the same part of speech. "da" is a noun and "dy" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "da" vs "dy" - which ranks higher?
"da" is the more common of the two: it sits at frequency rank #2,782 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.

What to do next

Pair "da" vs "dy" is on the table, pick a follow-up below.

  • Full dictionary entry for "da" 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 #337,945 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "da" and "dy" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dy". Nearby pair

Confusion rank #337,945 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