poorvsproWhich spelling fits?

Quick tell: poor is a adjective, pro is a preposition, so they fill different roles in a sentence.

Which to use

“poor” is an adjective and “pro” is a preposition - they look or sound alike but fill different roles in a sentence.

#36,760
“poor” frequency rank
#1,421
“pro” frequency rank
38181
confusion score

Side-by-Side Comparison

Feature poor pro
Definition Pobre. Úsase para indicar el beneficiario de una acción o iniciativa.

Where the eye mixes poor and pro

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

4 ch
poor
3 ch
pro

Why the eye confuses poor with pro

These two trip readers on the page rather than in the ear: poor is /pʊə(ɹ)/ (sin la fusión pour–poor) while pro is [ˈpɾo]. 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 (adjective vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 38181, derived from the frequency rank of both members and their visual similarity.

poor is recorded at frequency rank #36,760, classified as anadj, pronounced /pʊə(ɹ)/ (sin la fusión pour–poor). pro is at rank #1,421, tagged as aprep, pronounced [ˈpɾo].

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 38181, this pair ranks #171,406 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of poor vs pro

Shared letters: opr. Private to "poor": -. Private to "pro": -.

"poor" · 4 letters · shape CVVC  ·  "pro" · 3 letters · shape CCV

Known mistypes of this pair

  • pooropor · poorr · ppoor

Frequently Asked Questions

Can "poor" and "pro" be used interchangeably?
No - they are not even the same part of speech. "poor" is an adjective and "pro" a preposition, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "poor" vs "pro" - which ranks higher?
"pro" is the more common of the two: it sits at frequency rank #1,421 in our Spanish list, against #36,760 for "poor". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "poor" and "pro" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "poor" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #171,406 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "poor" and "pro" also get mixed up with nearby pairs, the highest-scored neighbour is "pom vs poor". 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 #171,406 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