siglovssimioConfusable pair

Which to use

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

#618
“siglo” frequency rank
#26,619
“simio” frequency rank
27237
confusion score

Side-by-Side Comparison

Feature siglo simio
Definition Período de cien años. Primate con características similares a las del ser humano (antropoide). El término se refiere a muchas especies diferentes, pero tiende a equivaler a la orden de los Simiiformes, varias de ellas hominoides.

Where the eye mixes siglo and simio

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
siglo
5 ch
simio

Why the eye confuses siglo with simio

A purely visual mix-up. siglo ([ˈsiɣ̞lo]) and simio ([ˈsimjo]) 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 27237, derived from the frequency rank of both members and their visual similarity.

siglo is recorded at frequency rank #618, classified as anoun, pronounced [ˈsiɣ̞lo]. simio is at rank #26,619, tagged as anoun, pronounced [ˈsimjo].

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 27237, this pair ranks #227,823 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of siglo vs simio

Shared letters: ios. Private to "siglo": gl. Private to "simio": m.

"siglo" · 5 letters · shape CVCCV  ·  "simio" · 5 letters · shape CVCVV

Known mistypes of this pair

  • siglociglo · isglo · sgilo · sigglo · sigllo · sigol · silgo · ssiglo
  • simiocimio · ismio · siimo · simmio · simoi · smiio · ssimio

Frequently Asked Questions

Is swapping "siglo" for "simio" ever safe?
No. They are said differently ([ˈsiɣ̞lo] versus [ˈsimjo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "siglo" vs "simio" - which ranks higher?
"siglo" is the more common of the two: it sits at frequency rank #618 in our Spanish list, against #26,619 for "simio". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "siglo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "simio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #227,823 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "siglo" and "simio" also get mixed up with nearby pairs, the highest-scored neighbour is "Simeón vs simio". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #227,823 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