formabavsformadasTell them apart

Quick tell: formaba is a verb, formadas is a participle, so they fill different roles in a sentence.

Which to use

“formaba” is a verb and “formadas” is a participle - they look or sound alike but fill different roles in a sentence.

#13,048
“formaba” frequency rank
#16,857
“formadas” frequency rank
29905
confusion score

Side-by-Side Comparison

Feature formaba formadas
Definition Primera persona del singular (yo) del pretérito imperfecto de indicativo de formar o de formarse. Forma del femenino plural de formado, participio de formar o de formarse.

Where the eye mixes formaba and formadas

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
formaba
8 ch
formadas

Visual trap between formaba and formadas

These two trip readers on the page rather than in the ear: formaba is [foɾˈmaβ̞a] while formadas is [foɾˈmað̞as]. 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 (verb vs participle), which is usually the fastest check. Our composite confusion score for this pair is 29905, derived from the frequency rank of both members and their visual similarity.

formaba is recorded at frequency rank #13,048, classified as averb, pronounced [foɾˈmaβ̞a]. formadas is at rank #16,857, tagged as aparticiple, pronounced [foɾˈmað̞as].

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 29905, this pair ranks #214,671 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of formaba vs formadas

Shared letters: afmor. Private to "formaba": b. Private to "formadas": ds.

"formaba" · 7 letters · shape CVCCVCV  ·  "formadas" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • formabafformaba · fomraba · foramba · formaab · formabba · formava · formbaa · formmaba
  • formadasfformadas · fomradas · foramdas · formaads · formadass · formaddas · formadsa · formdaas

Frequently Asked Questions

Can "formaba" and "formadas" be used interchangeably?
No - they are not even the same part of speech. "formaba" is a verb and "formadas" a participle, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "formaba" or "formadas" show up more?
"formaba" is the more common of the two: it sits at frequency rank #13,048 in our Spanish list, against #16,857 for "formadas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "formaba" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "formadas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #214,671 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "formaba" and "formadas" also get mixed up with nearby pairs, the highest-scored neighbour is "formadas vs formaran". 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 #214,671 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