say vs su, What's the Difference?

Which to use

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

#12,668
“say” frequency rank: #1,609
“su” frequency rank: 14277
confusion score

Side-by-Side Comparison

Feature	say	su
Definition	Dire.	Participe passé masculin singulier du verbe savoir.

Where the eye mixes say and su

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

3 ch

say

2 ch

Visual trap between say and su

A purely visual mix-up. say (\seɪ\) and su (\sy\) 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 14277, derived from the frequency rank of both members and their visual similarity.

say is recorded at frequency rank #12,668, classified as averb, pronounced \seɪ\. su is at rank #1,609, tagged as averb, pronounced \sy\.

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 14277, this pair ranks #397,394 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of say vs su

Shared letters: s. Private to "say": ay. Private to "su": u.

"say" · 3 letters · shape CVV · "su" · 2 letters · shape CV

Frequently Asked Questions

Do "say" and "su" mean the same thing in a sentence?

No. They are said differently (\seɪ\ versus \sy\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "say" vs "su" - which ranks higher?

"su" is the more common of the two: it sits at frequency rank #1,609 in our French list, against #12,668 for "say". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

Full dictionary entry for "say" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "su" - compare definitions side by side with the headword page. Word entry
This pair ranks #397,394 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"say" and "su" also get mixed up with nearby pairs, the highest-scored neighbour is "say vs suu". Nearby pair

Confusion rank #397,394 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.