openvsopinenConfusable pair

Quick tell: open is a adjective, opinen is a verb, so they fill different roles in a sentence.

Which to use

“open” is an adjective and “opinen” is a verb - they look or sound alike but fill different roles in a sentence.

#6,335
“open” frequency rank
#42,597
“opinen” frequency rank
48932
confusion score

Side-by-Side Comparison

Feature open opinen
Definition Abierto. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de subjuntivo de opinar.

Where the eye mixes open and opinen

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
open
6 ch
opinen

Look-alike desk: open vs opinen

These two trip readers on the page rather than in the ear: open is /ˈəʊ.pən/ while opinen is [oˈpinẽn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 48932, derived from the frequency rank of both members and their visual similarity.

open is recorded at frequency rank #6,335, classified as anadj, pronounced /ˈəʊ.pən/. opinen is at rank #42,597, tagged as averb, pronounced [oˈpinẽn].

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 48932, this pair ranks #111,706 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of open vs opinen

Shared letters: enop. Private to "open": -. Private to "opinen": i.

"open" · 4 letters · shape VCVC  ·  "opinen" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • openoepn · openn · oppen
  • opinenoipnen · opienn · opinenn · opinne · opinnen · opnien · oppinen · poinen

Frequently Asked Questions

Can "open" and "opinen" be used interchangeably?
No - they are not even the same part of speech. "open" is an adjective and "opinen" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "open" or "opinen"?
"open" is the more common of the two: it sits at frequency rank #6,335 in our Spanish list, against #42,597 for "opinen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "open" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "opinen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #111,706 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "open" and "opinen" also get mixed up with nearby pairs, the highest-scored neighbour is "omiten vs opinen". 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 #111,706 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