skyvssudTell them apart

Which to use

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

#12,058
“sky” frequency rank
#14,016
“sud” frequency rank
26074
confusion score

Side-by-Side Comparison

Feature sky sud
Definition Nube. Uno de los cuatro puntos cardinales, el especificado por los 180°, dirigido hacia el polo sur, por convención la dirección hacia abajo en un mapa.

Where the eye mixes sky and sud

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

3 ch
sky
3 ch
sud

Visual trap between sky and sud

A purely visual mix-up. sky ([sgyːʔ]) and sud ([ˈsuð̞]) 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 26074, derived from the frequency rank of both members and their visual similarity.

sky is recorded at frequency rank #12,058, classified as anoun, pronounced [sgyːʔ]. sud is at rank #14,016, tagged as anoun, pronounced [ˈsuð̞].

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 26074, this pair ranks #233,454 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sky vs sud

Shared letters: s. Private to "sky": ky. Private to "sud": du.

"sky" · 3 letters · shape CCV  ·  "sud" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "sky" for "sud" ever safe?
No. They are said differently ([sgyːʔ] versus [ˈsuð̞]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sky" or "sud"?
"sky" is the more common of the two: it sits at frequency rank #12,058 in our Spanish list, against #14,016 for "sud". 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 "sky" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sud" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #233,454 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sky" and "sud" also get mixed up with nearby pairs, the highest-scored neighbour is "sous vs sud". Nearby pair

Confusion rank #233,454 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