soivsstaConfusable pair

Quick tell: soi is a verb, sta is an adjective, so they fill different roles in a sentence.

Which to use

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

#38,396
“soi” frequency rank
#14,015
“sta” frequency rank
52411
confusion score

Side-by-Side Comparison

Feature soi sta
Definition Segunda persona singular informal en el voseo chileno (vos) del presente de indicativo del verbo ser. Forma del femenino de sto: «esta».

Where the eye mixes soi and sta

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
soi
3 ch
sta

Why the eye confuses soi with sta

These two trip readers on the page rather than in the ear: soi is [ˈsoj] while sta is /ˈsta/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 52411, derived from the frequency rank of both members and their visual similarity.

soi is recorded at frequency rank #38,396, classified as averb, pronounced [ˈsoj]. sta is at rank #14,015, tagged as anadj, pronounced /ˈsta/.

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 52411, this pair ranks #92,833 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of soi vs sta

Shared letters: s. Private to "soi": io. Private to "sta": at.

"soi" · 3 letters · shape CVV  ·  "sta" · 3 letters · shape CCV

Frequently Asked Questions

Is swapping "soi" for "sta" ever safe?
No - they are not even the same part of speech. "soi" is a verb and "sta" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "soi" or "sta"?
"sta" is the more common of the two: it sits at frequency rank #14,015 in our Spanish list, against #38,396 for "soi". 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 "soi" and "sta" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "soi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sta" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #92,833 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "soi" and "sta" also get mixed up with nearby pairs, the highest-scored neighbour is "soi vs sous". Nearby pair

Confusion rank #92,833 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