Which to use
“infecciosa” and “infecciosas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #39,813
- “infecciosa” frequency rank
- #27,271
- “infecciosas” frequency rank
- 67084
- confusion score
Side-by-Side Comparison
| Feature | infecciosa | infecciosas |
|---|---|---|
| Definition | Forma del femenino de infeccioso. | Forma del femenino plural de infeccioso. |
Where the eye mixes infecciosa and infecciosas
Muted = shared; highlighted = the visual trap. They share 10 letters in sequence. infecciosa runs 10 letters (VCCVCCVVCV) against infecciosas's 11 (VCCVCCVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses infecciosa with infecciosas
A purely visual mix-up. infecciosa ([ĩɱfekˈsjosa]) and infecciosas ([ĩɱfekˈsjosas]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “infecciosa” sits inside “infecciosas”. Our composite confusion score for this pair is 67084, derived from the frequency rank of both members and their visual similarity.
infecciosa is recorded at frequency rank #39,813, classified as anadj, pronounced [ĩɱfekˈsjosa]. infecciosas is at rank #27,271, tagged as anadj, pronounced [ĩɱfekˈsjosas].
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 67084, this pair ranks #38,065 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of infecciosa vs infecciosas
Shared letters: acefinos. Private to "infecciosa": -. Private to "infecciosas": -.
"infecciosa" · 10 letters · shape VCCVCCVVCV · "infecciosas" · 11 letters · shape VCCVCCVVCVC
Known mistypes of this pair
- infecciosa ← ifnecciosa · inefcciosa · infceciosa · infeccioas · infeccisoa · infeccoisa · infecicosa · infeciosa
- infecciosas ← ifnecciosas · inefcciosas · infceciosas · infeccioass · infecciosass · infecciossa · infecciossas · infeccisoas
Frequently Asked Questions
Can "infecciosa" and "infecciosas" be used interchangeably?
Which is more common, "infecciosa" or "infecciosas"?
After this comparison
Eye-level mix-up between "infecciosa" and "infecciosas" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "infecciosa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "infecciosas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #38,065 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "infecciosa" and "infecciosas" also get mixed up with nearby pairs, the highest-scored neighbour is "infección vs infecciosa". 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 #38,065 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.