dim vs dos, What's the Difference?

Which to use

“dim” is an adjective and “dos” is a num - they look or sound alike but fill different roles in a sentence.

#29,687
“dim” frequency rank: #24
“dos” frequency rank: 29711
confusion score

Side-by-Side Comparison

Feature	dim	dos
Definition	opaco, escuro, sem brilho ou claridade:	o número dois

Where the eye mixes dim and dos

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

3 ch

dim

3 ch

dos

Why the eye confuses dim with dos

These two trip readers on the page rather than in the ear: dim is /ˈdɪm/ while dos is /dɔs/. 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 (adjective vs num), which is usually the fastest check. Our composite confusion score for this pair is 29711, derived from the frequency rank of both members and their visual similarity.

dim is recorded at frequency rank #29,687, classified as anadj, pronounced /ˈdɪm/. dos is at rank #24, tagged as anum, pronounced /dɔs/.

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 29711, this pair ranks #38,855 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dim vs dos

Shared letters: d. Private to "dim": im. Private to "dos": os.

"dim" · 3 letters · shape CVC · "dos" · 3 letters · shape CVC

Frequently Asked Questions

Do "dim" and "dos" mean the same thing in a sentence?

No - they are not even the same part of speech. "dim" is an adjective and "dos" a num, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "dim" vs "dos" - which ranks higher?

"dos" is the more common of the two: it sits at frequency rank #24 in our Portuguese list, against #29,687 for "dim". 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 "dim" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "dos" - compare definitions side by side with the headword page. Word entry
This pair ranks #38,855 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"dim" and "dos" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dim". Nearby pair

Confusion rank #38,855 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.