Which to use
“dia” and “dom” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #51
- “dia” frequency rank
- #1,921
- “dom” frequency rank
- 1972
- confusion score
Side-by-Side Comparison
| Feature | dia | dom |
|---|---|---|
| Definition | espaço de tempo correspondente à rotação da Terra, que equivale a 23 horas, 56 minutos e 4 segundos | casa (construção que serve de moradia) |
Where the eye mixes dia and dom
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses dia with dom
A purely visual mix-up. dia (/'dʒi.a/) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 1972, derived from the frequency rank of both members and their visual similarity.
dia is recorded at frequency rank #51, classified as anoun, pronounced /'dʒi.a/. 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 1972, this pair ranks #73,533 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of dia vs dom
Shared letters: d. Private to "dia": ai. Private to "dom": mo.
"dia" · 3 letters · shape CVV · "dom" · 3 letters · shape CVC
Frequently Asked Questions
Can "dia" and "dom" be used interchangeably?
Which is more common, "dia" or "dom"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "dia" 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 #73,533 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "dia" and "dom" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dom". Nearby pair
Confusion rank #73,533 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.