soyvssyTell them apart

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

Which to use

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

#134
“soy” frequency rank
#33,866
“sy” frequency rank
34000
confusion score

Side-by-Side Comparison

Feature soy sy
Definition Primera persona del singular (yo) del presente de indicativo de ser. Madre.

Where the eye mixes soy and sy

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
soy
2 ch
sy

Look-alike desk: soy vs sy

These two trip readers on the page rather than in the ear: soy is [ˈsoj] while sy is [ˈsɨ]. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 34000, derived from the frequency rank of both members and their visual similarity.

soy is recorded at frequency rank #134, classified as averb, pronounced [ˈsoj]. sy is at rank #33,866, tagged as anoun, pronounced [ˈsɨ].

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 34000, this pair ranks #193,746 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of soy vs sy

Shared letters: sy. Private to "soy": o. Private to "sy": -.

"soy" · 3 letters · shape CVV  ·  "sy" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "soy" for "sy" ever safe?
No - they are not even the same part of speech. "soy" is a verb and "sy" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "soy" or "sy"?
"soy" is the more common of the two: it sits at frequency rank #134 in our Spanish list, against #33,866 for "sy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "soy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #193,746 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "soy" and "sy" also get mixed up with nearby pairs, the highest-scored neighbour is "spy vs sy". Nearby pair

Confusion rank #193,746 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