obreravsobservaWhat's the difference?

Quick tell: obrera is a noun, observa is a verb, so they fill different roles in a sentence.

Which to use

“obrera” is a noun and “observa” is a verb - they look or sound alike but fill different roles in a sentence.

#9,164
“obrera” frequency rank
#4,269
“observa” frequency rank
13433
confusion score

Side-by-Side Comparison

Feature obrera observa
Definition Hembra estéril en numerosas especies de insectos eusociales, que desempeña tareas de recolección, defensa y construcción. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de observar.

Where the eye mixes obrera and observa

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

6 ch
obrera
7 ch
observa

Look-alike desk: obrera vs observa

These two trip readers on the page rather than in the ear: obrera is [oˈβ̞ɾeɾa] while observa is [oβ̞ˈseɾβ̞a]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 13433, derived from the frequency rank of both members and their visual similarity.

obrera is recorded at frequency rank #9,164, classified as anoun, pronounced [oˈβ̞ɾeɾa]. observa is at rank #4,269, tagged as averb, pronounced [oβ̞ˈseɾβ̞a].

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 13433, this pair ranks #287,888 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of obrera vs observa

Shared letters: abeor. Private to "obrera": -. Private to "observa": sv.

"obrera" · 6 letters · shape VCCVCV  ·  "observa" · 7 letters · shape VCCVCCV

Known mistypes of this pair

  • obreraborera · obbrera · oberra · obrear · obrerra · obrrea · obrrera · orbera
  • observaboserva · obbserva · obcerva · obesrva · obserav · obserba · obserrva · observva

Frequently Asked Questions

Is swapping "obrera" for "observa" ever safe?
No - they are not even the same part of speech. "obrera" is a noun and "observa" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "obrera" vs "observa" - which ranks higher?
"observa" is the more common of the two: it sits at frequency rank #4,269 in our Spanish list, against #9,164 for "obrera". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "obrera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "observa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #287,888 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "obrera" and "observa" also get mixed up with nearby pairs, the highest-scored neighbour is "obesa vs obrera". 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 #287,888 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