domvsdubWhich spelling fits?

Which to use

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

#1,921
“dom” frequency rank
#35,557
“dub” frequency rank
37478
confusion score

Side-by-Side Comparison

Feature dom dub
Definition casa (construção que serve de moradia) carvalho

Where the eye mixes dom and dub

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

3 ch
dom
3 ch
dub

Why the eye confuses dom with dub

A purely visual mix-up. dom (/dɔm/) and dub (/ˈdʊp/, ouvir^(fonte ?)) 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 37478, derived from the frequency rank of both members and their visual similarity.

dom is recorded at frequency rank #1,921, classified as anoun, pronounced /dɔm/. dub is at rank #35,557, tagged as anoun, pronounced /ˈdʊp/, 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 37478, this pair ranks #29,130 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dom vs dub

Shared letters: d. Private to "dom": mo. Private to "dub": bu.

"dom" · 3 letters · shape CVC  ·  "dub" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "dom" for "dub" ever safe?
No. They are said differently (/dɔm/ versus /ˈdʊp/, ouvir^(fonte ?)) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "dom" or "dub"?
"dom" is the more common of the two: it sits at frequency rank #1,921 in our Portuguese list, against #35,557 for "dub". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "dom" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dub" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,130 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dom" and "dub" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dub". Nearby pair

Confusion rank #29,130 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