puvspudoTell them apart

Quick tell: pu is a intj, pudo is a verb, so they fill different roles in a sentence.

Which to use

“pu” is an intj and “pudo” is a verb - they look or sound alike but fill different roles in a sentence.

#12,906
“pu” frequency rank
#902
“pudo” frequency rank
13808
confusion score

Side-by-Side Comparison

Feature pu pudo
Definition Variante de puf. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de poder.

Where the eye mixes pu and pudo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch
pu
4 ch
pudo

Visual trap between pu and pudo

These two trip readers on the page rather than in the ear: pu is [ˈpu] while pudo is [ˈpuð̞o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “pu” sits inside “pudo”, and the parts of speech differ too (intj vs verb), which is usually the fastest check. Our composite confusion score for this pair is 13808, derived from the frequency rank of both members and their visual similarity.

pu is recorded at frequency rank #12,906, classified as anintj, pronounced [ˈpu]. pudo is at rank #902, tagged as averb, pronounced [ˈpuð̞o].

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 13808, this pair ranks #286,471 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pu vs pudo

Shared letters: pu. Private to "pu": -. Private to "pudo": do.

"pu" · 2 letters · shape CV  ·  "pudo" · 4 letters · shape CVCV

Known mistypes of this pair

  • pudopduo · ppudo · puddo · puod · updo

Frequently Asked Questions

Can "pu" and "pudo" be used interchangeably?
No - they are not even the same part of speech. "pu" is an intj and "pudo" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "pu" or "pudo" show up more?
"pudo" is the more common of the two: it sits at frequency rank #902 in our Spanish list, against #12,906 for "pu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "pu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pudo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #286,471 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pu" and "pudo" also get mixed up with nearby pairs, the highest-scored neighbour is "PRC vs pu". 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 #286,471 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list