demvsdonConfusable pair

Quick tell: dem is a article, don is a noun, so they fill different roles in a sentence.

Which to use

“dem” is an article and “don” is a noun - they look or sound alike but fill different roles in a sentence.

#7,268
“dem” frequency rank
#4,306
“don” frequency rank
11574
confusion score

Side-by-Side Comparison

Feature dem don
Definition o, ao, do, artigo definido masculino do caso dativo singular professor universitário (especialmente da Universidade de Oxford ou de Cambridge)

Where the eye mixes dem and don

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
dem
3 ch
don

Visual trap between dem and don

These two trip readers on the page rather than in the ear: dem is /deːm/ while don is /dɒn/ ouvir ^(fonte ?). Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (article vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11574, derived from the frequency rank of both members and their visual similarity.

dem is recorded at frequency rank #7,268, classified as anarticle, pronounced /deːm/. don is at rank #4,306, tagged as anoun, pronounced /dɒn/ 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 11574, this pair ranks #61,232 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dem vs don

Shared letters: d. Private to "dem": em. Private to "don": no.

"dem" · 3 letters · shape CVC  ·  "don" · 3 letters · shape CVC

Frequently Asked Questions

Can "dem" and "don" be used interchangeably?
No - they are not even the same part of speech. "dem" is an article and "don" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dem" or "don"?
"don" is the more common of the two: it sits at frequency rank #4,306 in our Portuguese list, against #7,268 for "dem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "dem" and "don" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "don" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,232 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dem" and "don" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dem". Nearby pair

Confusion rank #61,232 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