damvsdomWhich spelling fits?

Which to use

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

#34,654
“dam” frequency rank
#1,921
“dom” frequency rank
36575
confusion score

Side-by-Side Comparison

Feature dam dom
Definition senhora casa (construção que serve de moradia)

Where the eye mixes dam and dom

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
dam
3 ch
dom

Look-alike desk: dam vs dom

A purely visual mix-up. dam (/dɑːm/ ouvir^(fonte ?)) and dom (/dɔm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - a in “dam” becomes o in “dom”. Our composite confusion score for this pair is 36575, 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 ?). dom is at rank #1,921, tagged as anoun, pronounced /dɔm/.

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 36575, this pair ranks #30,181 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dam vs dom

Shared letters: dm. Private to "dam": a. Private to "dom": o.

"dam" · 3 letters · shape CVC  ·  "dom" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "dam" for "dom" ever safe?
No. They are said differently (/dɑːm/ ouvir^(fonte ?) versus /dɔm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "dam" or "dom"?
"dom" is the more common of the two: it sits at frequency rank #1,921 in our Portuguese list, against #34,654 for "dam". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "dam" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,181 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dam" and "dom" also get mixed up with nearby pairs, the highest-scored neighbour is "dam vs dat". Nearby pair

Confusion rank #30,181 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