pesvsproWhat's the difference?

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

Which to use

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

#23,445
“pes” frequency rank
#1,173
“pro” frequency rank
24618
confusion score

Side-by-Side Comparison

Feature pes pro
Definition cão para

Where the eye mixes pes and pro

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
pes
3 ch
pro

Look-alike desk: pes vs pro

These two trip readers on the page rather than in the ear: pes is /ˈpɛs ouvir^(fonte ?) while pro is /ˈprɔ/ ouvir^(fonte ?). 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 preposition), which is usually the fastest check. Our composite confusion score for this pair is 24618, derived from the frequency rank of both members and their visual similarity.

pes is recorded at frequency rank #23,445, classified as anoun, pronounced /ˈpɛs ouvir^(fonte ?). pro is at rank #1,173, tagged as aprep, pronounced /ˈprɔ/ ouvir^(fonte ?).

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 24618, this pair ranks #44,944 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pes vs pro

Shared letters: p. Private to "pes": es. Private to "pro": or.

"pes" · 3 letters · shape CVC  ·  "pro" · 3 letters · shape CCV

Frequently Asked Questions

Do "pes" and "pro" mean the same thing in a sentence?
No - they are not even the same part of speech. "pes" is a noun and "pro" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pes" or "pro"?
"pro" is the more common of the two: it sits at frequency rank #1,173 in our Portuguese list, against #23,445 for "pes". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "pes" 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 #44,944 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pes" and "pro" also get mixed up with nearby pairs, the highest-scored neighbour is "pes vs pix". Nearby pair

Confusion rank #44,944 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