studvssumWhich spelling fits?

Which to use

“stud” and “sum” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#40,032
“stud” frequency rank
#30,825
“sum” frequency rank
70857
confusion score

Side-by-Side Comparison

Feature stud sum
Definition Forme de jeu de poker. Unité monétaire utilisée en Ouzbékistan

Where the eye mixes stud and sum

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
stud
3 ch
sum

Why the eye confuses stud with sum

A purely visual mix-up. stud (\stœd\) and sum (\sum\) 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 1 letter(s) in length. Our composite confusion score for this pair is 70857, derived from the frequency rank of both members and their visual similarity.

stud is recorded at frequency rank #40,032, classified as anoun, pronounced \stœd\. sum is at rank #30,825, tagged as anoun, pronounced \sum\.

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 70857, this pair ranks #49,718 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of stud vs sum

Shared letters: su. Private to "stud": dt. Private to "sum": m.

"stud" · 4 letters · shape CCVC  ·  "sum" · 3 letters · shape CVC

Known mistypes of this pair

  • studsstud · stdu · sttud · studd · sutd · tsud

Frequently Asked Questions

Can "stud" and "sum" be used interchangeably?
No. They are said differently (\stœd\ versus \sum\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "stud" or "sum"?
"sum" is the more common of the two: it sits at frequency rank #30,825 in our French list, against #40,032 for "stud". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "stud" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #49,718 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "stud" and "sum" also get mixed up with nearby pairs, the highest-scored neighbour is "stud vs suu". 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 #49,718 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list