Which to use
“não” is an adverb and “nasa” is a noun - they look or sound alike but fill different roles in a sentence.
- #41,506
- “não” frequency rank
- #7,601
- “nasa” frequency rank
- 49107
- confusion score
Side-by-Side Comparison
| Feature | não | nasa |
|---|---|---|
| Definition | No. | Cesta de red o mimbre, en forma de embudo, usada para la pesca |
Where the eye mixes não and nasa
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. não runs 3 letters (CVV) against nasa's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between não and nasa
These two trip readers on the page rather than in the ear: não is [nɐ̃w] while nasa is [ˈnasa]. 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 (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49107, derived from the frequency rank of both members and their visual similarity.
não is recorded at frequency rank #41,506, classified as anadv, pronounced [nɐ̃w]. nasa is at rank #7,601, tagged as anoun, pronounced [ˈnasa].
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 49107, this pair ranks #110,687 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of não vs nasa
Shared letters: n. Private to "não": oã. Private to "nasa": as.
"não" · 3 letters · shape CVV · "nasa" · 4 letters · shape CVCV
Known mistypes of this pair
- nasa ← ansa · naas · nassa · nnasa · nsaa
Frequently Asked Questions
Can "não" and "nasa" be used interchangeably?
Frequency check: "não" vs "nasa" - which ranks higher?
What to do next
Eye-level mix-up between "não" and "nasa" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "não" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "nasa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #110,687 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "não" and "nasa" also get mixed up with nearby pairs, the highest-scored neighbour is "não vs nox". 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 #110,687 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.