porvsposoWhat's the difference?

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

Which to use

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

#12
“por” frequency rank
#46,740
“poso” frequency rank
46752
confusion score

Side-by-Side Comparison

Feature por poso
Definition Indica el complemento agente en la voz pasiva. Sólidos que estaban diluidos en un líquido y por la acción de la gravedad se depositan en el fondo del recipiente que lo contiene al líquido.

Where the spellings diverge

Shared letters are muted; the letters that actually set por and poso apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
por
4 ch
poso

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: por is [poɾ] while poso is [ˈposo]. 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 (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46752, derived from the frequency rank of both members and their visual similarity.

por is recorded at frequency rank #12, classified as aprep, pronounced [poɾ]. poso is at rank #46,740, tagged as anoun, pronounced [ˈposo].

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 46752, this pair ranks #123,973 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of por vs poso

Shared letters: op. Private to "por": r. Private to "poso": s.

"por" · 3 letters · shape CVC  ·  "poso" · 4 letters · shape CVCV

Known mistypes of this pair

  • posoopso · poos · posso · pposo · psoo

Frequency comparison

por#12
poso#46,740

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "por" and "poso" be used interchangeably?
No - they are not even the same part of speech. "por" is a preposition and "poso" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "por" or "poso"?
"por" is the more common of the two: it sits at frequency rank #12 in our Spanish list, against #46,740 for "poso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering por vs poso

The fastest way to pick the right one every time.

  • Check the role first: if you need a preposition, it's “por”; for a noun, it's “poso”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “por” 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