formaciónvsformaronWhat's the difference?

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

Which to use

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

#966
“formación” frequency rank
#9,986
“formaron” frequency rank
10952
confusion score

Side-by-Side Comparison

Feature formación formaron
Definition Reunión ordenada en el espacio de un conjunto de objetos similares. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de formar o de formarse.

Where the spellings diverge

Shared letters are muted; the letters that actually set formación and formaron apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

9 ch
formación
8 ch
formaron

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: formación is [foɾmaˈsjõn] while formaron is [foɾˈmaɾõn]. 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 10952, derived from the frequency rank of both members and their visual similarity.

formación is recorded at frequency rank #966, classified as anoun, pronounced [foɾmaˈsjõn]. formaron is at rank #9,986, tagged as averb, pronounced [foɾˈmaɾõn].

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 10952, this pair ranks #296,766 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of formación vs formaron

Shared letters: afmnor. Private to "formación": ció. Private to "formaron": -.

"formación" · 9 letters · shape CVCCVCVVC  ·  "formaron" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • formaronfformaron · fomraron · foramron · formaorn · formarno · formaronn · formarron · formmaron

Frequency comparison

formación#966
formaron#9,986

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "formación" and "formaron" be used interchangeably?
No - they are not even the same part of speech. "formación" is a noun and "formaron" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "formación" or "formaron"?
"formación" is the more common of the two: it sits at frequency rank #966 in our Spanish list, against #9,986 for "formaron". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering formación vs formaron

The fastest way to pick the right one every time.

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