studyvssudWhich spelling fits?

Which to use

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

#26,625
“study” frequency rank
#14,016
“sud” frequency rank
40641
confusion score

Side-by-Side Comparison

Feature study sud
Definition Estudio. 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 study and sud

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

5 ch
study
3 ch
sud

Why the eye confuses study with sud

A purely visual mix-up. study (/ˈstʌd.i/) 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 differ by 2 letter(s) in length. Our composite confusion score for this pair is 40641, derived from the frequency rank of both members and their visual similarity.

study is recorded at frequency rank #26,625, classified as anoun, pronounced /ˈstʌd.i/. 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 40641, this pair ranks #157,994 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of study vs sud

Shared letters: dsu. Private to "study": ty. Private to "sud": -.

"study" · 5 letters · shape CCVCV  ·  "sud" · 3 letters · shape CVC

Known mistypes of this pair

  • studysstudy · stduy · sttudy · studdy · studyy · stuyd · sutdy · tsudy

Frequently Asked Questions

Is swapping "study" for "sud" ever safe?
No. They are said differently (/ˈstʌd.i/ versus [ˈsuð̞]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "study" or "sud"?
"sud" is the more common of the two: it sits at frequency rank #14,016 in our Spanish list, against #26,625 for "study". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "study" and "sud" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "study" 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 #157,994 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "study" and "sud" also get mixed up with nearby pairs, the highest-scored neighbour is "study vs stuff". 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 #157,994 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