Which to use
“paranoia” is a noun and “paranoica” is an adjective - they look or sound alike but fill different roles in a sentence.
- #17,778
- “paranoia” frequency rank
- #37,766
- “paranoica” frequency rank
- 55544
- confusion score
Side-by-Side Comparison
| Feature | paranoia | paranoica |
|---|---|---|
| Definition | Trastorno mental que se caracteriza por la fijación de una idea o conjunto de ideas en la mente. | Forma del femenino de paranoico. |
Where the eye mixes paranoia and paranoica
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.
Look-alike desk: paranoia vs paranoica
These two trip readers on the page rather than in the ear: paranoia is [paɾaˈnoja] while paranoica is [paɾaˈnojka]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 55544, derived from the frequency rank of both members and their visual similarity.
paranoia is recorded at frequency rank #17,778, classified as anoun, pronounced [paɾaˈnoja]. paranoica is at rank #37,766, tagged as anadj, pronounced [paɾaˈnojka].
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 55544, this pair ranks #78,412 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of paranoia vs paranoica
Shared letters: ainopr. Private to "paranoia": -. Private to "paranoica": c.
"paranoia" · 8 letters · shape CVCVCVVV · "paranoica" · 9 letters · shape CVCVCVVCV
Known mistypes of this pair
Frequently Asked Questions
Can "paranoia" and "paranoica" be used interchangeably?
In ordinary Spanish text, does "paranoia" or "paranoica" show up more?
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 "paranoia" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "paranoica" - compare definitions side by side with the headword page. Word entry
- This pair ranks #78,412 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "paranoia" and "paranoica" also get mixed up with nearby pairs, the highest-scored neighbour is "paranoica vs paranoicos". 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 #78,412 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.