Which to use
“decidan” is a verb and “décimas” is an adjective - they look or sound alike but fill different roles in a sentence.
- #16,069
- “decidan” frequency rank
- #29,178
- “décimas” frequency rank
- 45247
- confusion score
Side-by-Side Comparison
| Feature | decidan | décimas |
|---|---|---|
| Definition | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de subjuntivo de decidir o de decidirse. | Forma del femenino plural de décimo. |
Where the eye mixes decidan and décimas
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. decidan and décimas follow the identical consonant-vowel pattern (CVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses decidan with décimas
These two trip readers on the page rather than in the ear: decidan is [d̪eˈsið̞ãn] while décimas is [ˈd̪esimas]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 45247, derived from the frequency rank of both members and their visual similarity.
decidan is recorded at frequency rank #16,069, classified as averb, pronounced [d̪eˈsið̞ãn]. décimas is at rank #29,178, tagged as anadj, pronounced [ˈd̪esimas].
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 45247, this pair ranks #132,538 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of decidan vs décimas
Shared letters: acdi. Private to "decidan": en. Private to "décimas": msé.
"decidan" · 7 letters · shape CVCVCVC · "décimas" · 7 letters · shape CVCVCVC
Known mistypes of this pair
- decidan ← dceidan · ddecidan · deccidan · decdian · deciadn · decidann · deciddan · decidna
Frequently Asked Questions
Do "decidan" and "décimas" mean the same thing in a sentence?
Which is more common, "decidan" or "décimas"?
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 "decidan" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "décimas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #132,538 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "decidan" and "décimas" also get mixed up with nearby pairs, the highest-scored neighbour is "décimas vs dimas". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #132,538 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.