Which to use
“nasa” is a noun and “nula” is an adjective - they look or sound alike but fill different roles in a sentence.
- #7,601
- “nasa” frequency rank
- #10,538
- “nula” frequency rank
- 18139
- confusion score
Side-by-Side Comparison
| Feature | nasa | nula |
|---|---|---|
| Definition | Cesta de red o mimbre, en forma de embudo, usada para la pesca | Forma del femenino singular de nulo. |
Where the eye mixes nasa and nula
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between nasa and nula
These two trip readers on the page rather than in the ear: nasa is [ˈnasa] while nula is [ˈnula]. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 18139, derived from the frequency rank of both members and their visual similarity.
nasa is recorded at frequency rank #7,601, classified as anoun, pronounced [ˈnasa]. nula is at rank #10,538, tagged as anadj, pronounced [ˈnula].
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 18139, this pair ranks #269,189 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of nasa vs nula
Shared letters: an. Private to "nasa": s. Private to "nula": lu.
"nasa" · 4 letters · shape CVCV · "nula" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Do "nasa" and "nula" mean the same thing in a sentence?
In ordinary Spanish text, does "nasa" or "nula" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "nasa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "nula" - compare definitions side by side with the headword page. Word entry
- This pair ranks #269,189 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "nasa" and "nula" also get mixed up with nearby pairs, the highest-scored neighbour is "Nubia vs nula". 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 #269,189 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.