provspuroWhat's the difference?

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

Which to use

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

#1,173
“pro” frequency rank
#3,796
“puro” frequency rank
4969
confusion score

Side-by-Side Comparison

Feature pro puro
Definition para sem impurezas; límpido

Where the spellings diverge

Shared letters are muted; the letters that actually set pro and puro apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

3 ch
pro
4 ch
puro

Spelling & Dictionary Insight

pro and puro form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 4969, derived from the frequency rank of both members and their visual similarity.

pro is recorded at frequency rank #1,173, classified as aprep, pronounced /ˈprɔ/ ouvir^(fonte ?). puro is at rank #3,796, tagged as anadj, pronounced /ˈpu.ɾu/.

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 4969, this pair ranks #69,761 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

pro#1,173
puro#3,796

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "pro" and "puro" be used interchangeably?
No, "pro" and "puro" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering pro vs puro

The fastest way to pick the right one every time.

  • Check the role first: if you need a preposition, it's “pro”; for an adjective, it's “puro”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “pro” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list