survssusWhat's the difference?

Quick tell: sur is a preposition, sus is an adverb, so they fill different roles in a sentence.

Which to use

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

#26
“sur” frequency rank
#12,488
“sus” frequency rank
12514
confusion score

Side-by-Side Comparison

Feature sur sus
Definition Indique une position plus élevée. Dessus.

Where the eye mixes sur and sus

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

3 ch
sur
3 ch
sus

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: sur is \syʁ\ while sus is \sys\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - r in “sur” becomes s in “sus”, and the parts of speech differ too (preposition vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 12514, derived from the frequency rank of both members and their visual similarity.

sur is recorded at frequency rank #26, classified as aprep, pronounced \syʁ\. sus is at rank #12,488, tagged as anadv, pronounced \sys\.

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 12514, this pair ranks #404,956 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sur vs sus

Shared letters: su. Private to "sur": r. Private to "sus": -.

"sur" · 3 letters · shape CVC  ·  "sus" · 3 letters · shape CVC

Frequently Asked Questions

Can "sur" and "sus" be used interchangeably?
No - they are not even the same part of speech. "sur" is a preposition and "sus" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sur" or "sus"?
"sur" is the more common of the two: it sits at frequency rank #26 in our French list, against #12,488 for "sus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "sur" and "sus". Here's where to go from here.

  • Full dictionary entry for "sur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #404,956 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sur" and "sus" also get mixed up with nearby pairs, the highest-scored neighbour is "sus vs suu". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list