dimvsdixWhich spelling fits?

Quick tell: dim is a adjective, dix is a num, so they fill different roles in a sentence.

Which to use

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

#29,687
“dim” frequency rank
#30,110
“dix” frequency rank
59797
confusion score

Side-by-Side Comparison

Feature dim dix
Definition opaco, escuro, sem brilho ou claridade: dez

Where the eye mixes dim and dix

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

3 ch
dim
3 ch
dix

Visual trap between dim and dix

These two trip readers on the page rather than in the ear: dim is /ˈdɪm/ while dix is /dis/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - m in “dim” becomes x in “dix”, and the parts of speech differ too (adjective vs num), which is usually the fastest check. Our composite confusion score for this pair is 59797, 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/. dix is at rank #30,110, tagged as anum, pronounced /dis/.

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 59797, this pair ranks #8,002 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of dim vs dix

Shared letters: di. Private to "dim": m. Private to "dix": x.

"dim" · 3 letters · shape CVC  ·  "dix" · 3 letters · shape CVC

Frequently Asked Questions

Can "dim" and "dix" be used interchangeably?
No - they are not even the same part of speech. "dim" is an adjective and "dix" a num, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "dim" vs "dix" - which ranks higher?
"dim" is the more common of the two: it sits at frequency rank #29,687 in our Portuguese list, against #30,110 for "dix". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "dim" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #8,002 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dim" and "dix" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dix". Nearby pair

Confusion rank #8,002 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