pensarvspesarWhat's the difference?

Which to use

“pensar” and “pesar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#450
“pensar” frequency rank
#526
“pesar” frequency rank
976
confusion score

Side-by-Side Comparison

Feature pensar pesar
Definition Ejercitar el intelecto para explicarse o imaginarse algo o para concebir ideas. Establecer el peso o la masa de algo, en particular empleando un instrumento para tal efecto.

Where the eye mixes pensar and pesar

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
pensar
5 ch
pesar

Look-alike desk: pensar vs pesar

A purely visual mix-up. pensar ([pẽnˈsaɾ]) and pesar ([peˈsaɾ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 976, derived from the frequency rank of both members and their visual similarity.

pensar is recorded at frequency rank #450, classified as averb, pronounced [pẽnˈsaɾ]. pesar is at rank #526, tagged as averb, pronounced [peˈsaɾ].

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 976, this pair ranks #322,732 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pensar vs pesar

Shared letters: aeprs. Private to "pensar": n. Private to "pesar": -.

"pensar" · 6 letters · shape CVCCVC  ·  "pesar" · 5 letters · shape CVCVC

Known mistypes of this pair

  • pensarepnsar · penasr · pennsar · pensarr · pensra · penssar · pesnar · pnesar
  • pesarepsar · peasr · pesarr · pesra · pessar · ppesar · psear

Frequently Asked Questions

Is swapping "pensar" for "pesar" ever safe?
No. They are said differently ([pẽnˈsaɾ] versus [peˈsaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "pensar" or "pesar" show up more?
"pensar" is the more common of the two: it sits at frequency rank #450 in our Spanish list, against #526 for "pesar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "pensar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pesar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #322,732 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pensar" and "pesar" also get mixed up with nearby pairs, the highest-scored neighbour is "pesar vs petar". 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 #322,732 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