simvssosWhat's the difference?

Which to use

“sim” and “sos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#14,009
“sim” frequency rank
#1,331
“sos” frequency rank
15340
confusion score

Side-by-Side Comparison

Feature sim sos
Definition Primera persona del singular del presente activo de subjuntivo de sum. Segunda persona del singular (vos) del presente de indicativo de ser.

Where the eye mixes sim and sos

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

3 ch
sim
3 ch
sos

Visual trap between sim and sos

A purely visual mix-up. sim (/ˈsim/) and sos ([ˈsos]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 15340, derived from the frequency rank of both members and their visual similarity.

sim is recorded at frequency rank #14,009, classified as averb, pronounced /ˈsim/. sos is at rank #1,331, tagged as averb, pronounced [ˈsos].

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 15340, this pair ranks #280,571 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sim vs sos

Shared letters: s. Private to "sim": im. Private to "sos": o.

"sim" · 3 letters · shape CVC  ·  "sos" · 3 letters · shape CVC

Frequently Asked Questions

Do "sim" and "sos" mean the same thing in a sentence?
No. They are said differently (/ˈsim/ versus [ˈsos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "sim" or "sos" show up more?
"sos" is the more common of the two: it sits at frequency rank #1,331 in our Spanish list, against #14,009 for "sim". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "sim" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #280,571 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sim" and "sos" also get mixed up with nearby pairs, the highest-scored neighbour is "sim vs stem". Nearby pair

Confusion rank #280,571 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