soovssurWhich spelling fits?

Quick tell: soo is a verb, sur is a preposition, so they fill different roles in a sentence.

Which to use

“soo” is a verb and “sur” is a preposition - they look or sound alike but fill different roles in a sentence.

#27,237
“soo” frequency rank
#26
“sur” frequency rank
27263
confusion score

Side-by-Side Comparison

Feature soo sur
Definition Première personne du singulier du présent de l’indicatif de soar. Indique une position plus élevée.

Where the eye mixes soo and sur

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

3 ch
soo
3 ch
sur

Look-alike desk: soo vs sur

These two trip readers on the page rather than in the ear: soo is \ˈsow\ while sur is \syʁ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 27263, derived from the frequency rank of both members and their visual similarity.

soo is recorded at frequency rank #27,237, classified as averb, pronounced \ˈsow\. sur is at rank #26, tagged as aprep, pronounced \syʁ\.

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 27263, this pair ranks #330,126 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of soo vs sur

Shared letters: s. Private to "soo": o. Private to "sur": ru.

"soo" · 3 letters · shape CVV  ·  "sur" · 3 letters · shape CVC

Frequently Asked Questions

Can "soo" and "sur" be used interchangeably?
No - they are not even the same part of speech. "soo" is a verb and "sur" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "soo" or "sur"?
"sur" is the more common of the two: it sits at frequency rank #26 in our French list, against #27,237 for "soo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "soo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #330,126 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "soo" and "sur" also get mixed up with nearby pairs, the highest-scored neighbour is "soo vs suu". Nearby pair

Confusion rank #330,126 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