dim vs diz, What's the Difference?

Which to use

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

#29,687
“dim” frequency rank: #156
“diz” frequency rank: 29843
confusion score

Side-by-Side Comparison

Feature	dim	diz
Definition	opaco, escuro, sem brilho ou claridade:	terceira pessoa do singular do presente do indicativo do verbo dizer

Where the eye mixes dim and diz

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

3 ch

dim

3 ch

diz

Why the eye confuses dim with diz

These two trip readers on the page rather than in the ear: dim is /ˈdɪm/ while diz is /ˈʤis/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - m in “dim” becomes z in “diz”, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 29843, 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/. diz is at rank #156, tagged as averb, pronounced /ˈʤis/.

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 29843, this pair ranks #38,711 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dim vs diz

Shared letters: di. Private to "dim": m. Private to "diz": z.

"dim" · 3 letters · shape CVC · "diz" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "dim" for "diz" ever safe?

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

Which is more common, "dim" or "diz"?

"diz" is the more common of the two: it sits at frequency rank #156 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.

What to do next

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 "diz" - compare definitions side by side with the headword page. Word entry
This pair ranks #38,711 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"dim" and "diz" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dim". Nearby pair

Confusion rank #38,711 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.