ssvssuuWhat's the difference?

Quick tell: ss is a adverb, suu is an adjective, so they fill different roles in a sentence.

Which to use

“ss” is an adverb and “suu” is an adjective - they look or sound alike but fill different roles in a sentence.

#6,347
“ss” frequency rank
#49,960
“suu” frequency rank
56307
confusion score

Side-by-Side Comparison

Feature ss suu
Definition Et suivante, et suivantes. Son.

Where the eye mixes ss and suu

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

2 ch
ss
3 ch
suu

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: ss is \et sɥi.vɑ̃\ while suu is \ˈsuː\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 56307, derived from the frequency rank of both members and their visual similarity.

ss is recorded at frequency rank #6,347, classified as anadv, pronounced \et sɥi.vɑ̃\. suu is at rank #49,960, tagged as anadj, pronounced \ˈsuː\.

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 56307, this pair ranks #121,919 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ss vs suu

Shared letters: s. Private to "ss": -. Private to "suu": u.

"ss" · 2 letters · shape CC  ·  "suu" · 3 letters · shape CVV

Frequently Asked Questions

Can "ss" and "suu" be used interchangeably?
No - they are not even the same part of speech. "ss" is an adverb and "suu" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ss" or "suu"?
"ss" is the more common of the two: it sits at frequency rank #6,347 in our French list, against #49,960 for "suu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "ss" and "suu". Here's where to go from here.

  • Full dictionary entry for "ss" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,919 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ss" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "SSR 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