daívsdamTell them apart

Quick tell: daí is a contraction, dam is a noun, so they fill different roles in a sentence.

Which to use

“daí” is a contraction and “dam” is a noun - they look or sound alike but fill different roles in a sentence.

#1,387
“daí” frequency rank
#34,654
“dam” frequency rank
36041
confusion score

Side-by-Side Comparison

Feature daí dam
Definition contração da preposição de com o advérbio de lugar aí: senhora

Where the eye mixes daí and dam

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

3 ch
daí
3 ch
dam

Look-alike desk: daí vs dam

These two trip readers on the page rather than in the ear: daí is /dɐ.ˈi/ while dam is /dɑːm/ ouvir^(fonte ?). Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - í in “daí” becomes m in “dam”, and the parts of speech differ too (contraction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 36041, derived from the frequency rank of both members and their visual similarity.

daí is recorded at frequency rank #1,387, classified as acontraction, pronounced /dɐ.ˈi/. dam is at rank #34,654, tagged as anoun, pronounced /dɑːm/ ouvir^(fonte ?).

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 36041, this pair ranks #30,860 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of daí vs dam

Shared letters: ad. Private to "daí": í. Private to "dam": m.

"daí" · 3 letters · shape CVV  ·  "dam" · 3 letters · shape CVC

Frequently Asked Questions

Do "daí" and "dam" mean the same thing in a sentence?
No - they are not even the same part of speech. "daí" is a contraction and "dam" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "daí" vs "dam" - which ranks higher?
"daí" is the more common of the two: it sits at frequency rank #1,387 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.

Useful next steps

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

  • Full dictionary entry for "daí" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dam" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,860 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "daí" and "dam" also get mixed up with nearby pairs, the highest-scored neighbour is "dam vs dat". Nearby pair

Confusion rank #30,860 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