novsnuloWhat's the difference?

Quick tell: no is a pronoun, nulo is an adjective, so they fill different roles in a sentence.

Which to use

“no” is a pronoun and “nulo” is an adjective - they look or sound alike but fill different roles in a sentence.

#15
“no” frequency rank
#18,400
“nulo” frequency rank
18415
confusion score

Side-by-Side Comparison

Feature no nulo
Definition forma enclítica do pronome o quando precedido de forma verbal terminada em som nasal que não existe

Letter map: no vs nulo

Shared letters muted; letters that set no and nulo apart highlighted. Shared run: 2.

2 ch
no
4 ch
nulo

Grammar separator: no vs nulo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: no is apronoun and nuloanadjective. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 18415, derived from the frequency rank of both members and their visual similarity.

no is recorded at frequency rank #15, classified as apron. nulo is at rank #18,400, tagged as anadj, pronounced /ˈnu.lu/.

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 18415, this pair ranks #52,571 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of no vs nulo

Shared letters: no. Private to "no": -. Private to "nulo": lu.

"no" · 2 letters · shape CV  ·  "nulo" · 4 letters · shape CVCV

Known mistypes of this pair

  • nulonluo · nnulo · nullo · nuol · unlo

Frequently Asked Questions

Is swapping "no" for "nulo" ever safe?
No - they are not even the same part of speech. "no" is a pronoun and "nulo" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "no" or "nulo"?
"no" is the more common of the two: it sits at frequency rank #15 in our Portuguese list, against #18,400 for "nulo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "no" and "nulo". Here's where to go from here.

  • Full dictionary entry for "no" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nulo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,571 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "no" and "nulo" also get mixed up with nearby pairs, the highest-scored neighbour is "null vs nulo". 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 #52,571 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list