ducvsdugTell them apart

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

Which to use

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

#36,966
“duc” frequency rank
#8,784
“dug” frequency rank
45750
confusion score

Side-by-Side Comparison

Feature duc dug
Definition A French duke. simple past and past participle of dig (replacing earlier digged)

Letter map: duc vs dug

Shared letters muted; letters that set duc and dug apart highlighted. Shared run: 2.

3 ch
duc
3 ch
dug

Grammar separator: duc vs dug

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: duc is anoun and dugaverb. On the page they differ by a single letter - c in “duc” becomes g in “dug”. Our composite confusion score for this pair is 45750, derived from the frequency rank of both members and their visual similarity.

duc is recorded at frequency rank #36,966, classified as anoun. dug is at rank #8,784, tagged as averb, pronounced /dʌɡ/.

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 45750, this pair ranks #218,288 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of duc vs dug

Shared letters: du. Private to "duc": c. Private to "dug": g.

"duc" · 3 letters · shape CVC  ·  "dug" · 3 letters · shape CVC

Frequently Asked Questions

Can "duc" and "dug" be used interchangeably?
No - they are not even the same part of speech. "duc" is a noun and "dug" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "duc" or "dug" show up more?
"dug" is the more common of the two: it sits at frequency rank #8,784 in our English list, against #36,966 for "duc". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "duc" and "dug". Here's where to go from here.

  • Full dictionary entry for "duc" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dug" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #218,288 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "duc" and "dug" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs duc". Nearby pair

Confusion rank #218,288 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