simvssímilWhich spelling fits?

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

Which to use

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

#14,009
“sim” frequency rank
#36,315
“símil” frequency rank
50324
confusion score

Side-by-Side Comparison

Feature sim símil
Definition Primera persona del singular del presente activo de subjuntivo de sum. Semejante, parecido a otro; que tiene características en común con otra cosa.

Where the eye mixes sim and símil

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. sim runs 3 letters (CVC) against símil's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
sim
5 ch
símil

Look-alike desk: sim vs símil

These two trip readers on the page rather than in the ear: sim is /ˈsim/ while símil is [ˈsimil]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 50324, 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/. símil is at rank #36,315, tagged as anadj, pronounced [ˈsimil].

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 50324, this pair ranks #103,812 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sim vs símil

Shared letters: ims. Private to "sim": -. Private to "símil": lí.

"sim" · 3 letters · shape CVC  ·  "símil" · 5 letters · shape CVCVC

Frequently Asked Questions

Is swapping "sim" for "símil" ever safe?
No - they are not even the same part of speech. "sim" is a verb and "símil" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sim" vs "símil" - which ranks higher?
"sim" is the more common of the two: it sits at frequency rank #14,009 in our Spanish list, against #36,315 for "símil". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "símil" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #103,812 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sim" and "símil" also get mixed up with nearby pairs, the highest-scored neighbour is "sidi vs símil". Nearby pair

Confusion rank #103,812 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