supvssuuTell them apart

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

Which to use

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

#10,952
“sup” frequency rank
#49,960
“suu” frequency rank
60912
confusion score

Side-by-Side Comparison

Feature sup suu
Definition Super Son.

Where the eye mixes sup and suu

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

3 ch
sup
3 ch
suu

Look-alike desk: sup vs suu

These two trip readers on the page rather than in the ear: sup is \syp\ while suu is \ˈsuː\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - p in “sup” becomes u in “suu”, and the parts of speech differ too (intj vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 60912, derived from the frequency rank of both members and their visual similarity.

sup is recorded at frequency rank #10,952, classified as anintj, pronounced \syp\. 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 60912, this pair ranks #95,134 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of sup vs suu

Shared letters: su. Private to "sup": p. Private to "suu": -.

"sup" · 3 letters · shape CVC  ·  "suu" · 3 letters · shape CVV

Frequently Asked Questions

Do "sup" and "suu" mean the same thing in a sentence?
No - they are not even the same part of speech. "sup" is an intj and "suu" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sup" or "suu"?
"sup" is the more common of the two: it sits at frequency rank #10,952 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.

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 "sup" 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 #95,134 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sup" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "SSR vs suu". Nearby pair

Confusion rank #95,134 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