damvsdunConfusable pair

Which to use

“dam” and “dun” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#34,654
“dam” frequency rank
#45,320
“dun” frequency rank
79974
confusion score

Side-by-Side Comparison

Feature dam dun
Definition senhora penugem imatura em pássaros jovens

Where the eye mixes dam and dun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. dam and dun follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
dam
3 ch
dun

Why the eye confuses dam with dun

A purely visual mix-up. dam (/dɑːm/ ouvir^(fonte ?)) and dun (/duːn/, [d̥uːˀn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 79974, derived from the frequency rank of both members and their visual similarity.

dam is recorded at frequency rank #34,654, classified as anoun, pronounced /dɑːm/ ouvir^(fonte ?). dun is at rank #45,320, tagged as anoun, pronounced /duːn/, [d̥uːˀn].

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 79974, this pair ranks #1,406 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of dam vs dun

Shared letters: d. Private to "dam": am. Private to "dun": nu.

"dam" · 3 letters · shape CVC  ·  "dun" · 3 letters · shape CVC

Frequently Asked Questions

Do "dam" and "dun" mean the same thing in a sentence?
No. They are said differently (/dɑːm/ ouvir^(fonte ?) versus /duːn/, [d̥uːˀn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "dam" or "dun"?
"dam" is the more common of the two: it sits at frequency rank #34,654 in our Portuguese list, against #45,320 for "dun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "dam" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,406 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dam" and "dun" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dun". Nearby pair

Confusion rank #1,406 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list