Which to use
“serio” is an adjective and “sexto” is a num - they look or sound alike but fill different roles in a sentence.
- #814
- “serio” frequency rank
- #5,437
- “sexto” frequency rank
- 6251
- confusion score
Side-by-Side Comparison
| Feature | serio | sexto |
|---|---|---|
| Definition | Que se comporta con gravedad y circunspección. | Que ocupa el puesto siguiente al quinto en una serie ordenada. Ordinal del seis. |
Where the eye mixes serio and sexto
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: serio vs sexto
These two trip readers on the page rather than in the ear: serio is [ˈseɾjo] while sexto is [ˈsekst̪o]. 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 6251, derived from the frequency rank of both members and their visual similarity.
serio is recorded at frequency rank #814, classified as anadj, pronounced [ˈseɾjo]. sexto is at rank #5,437, tagged as anum, pronounced [ˈsekst̪o].
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 6251, this pair ranks #311,324 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of serio vs sexto
Shared letters: eos. Private to "serio": ir. Private to "sexto": tx.
"serio" · 5 letters · shape CVCVV · "sexto" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "serio" and "sexto" be used interchangeably?
In ordinary Spanish text, does "serio" or "sexto" show up more?
Useful next steps
Eye-level mix-up between "serio" and "sexto" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "serio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sexto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #311,324 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "serio" and "sexto" also get mixed up with nearby pairs, the highest-scored neighbour is "sexi vs sexto". 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 #311,324 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.