sadevssaiTell them apart

Quick tell: sade is a adjective, sai is a noun, so they fill different roles in a sentence.

Which to use

“sade” is an adjective and “sai” is a noun - they look or sound alike but fill different roles in a sentence.

#26,172
“sade” frequency rank
#26,527
“sai” frequency rank
52699
confusion score

Side-by-Side Comparison

Feature sade sai
Definition Agréable, gracieux, gentil, avenant. Saï (arme japonaise).

Where the eye mixes sade and sai

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

4 ch
sade
3 ch
sai

Why the eye confuses sade with sai

These two trip readers on the page rather than in the ear: sade is \sad\ while sai is \ˈsaɪ\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52699, derived from the frequency rank of both members and their visual similarity.

sade is recorded at frequency rank #26,172, classified as anadj, pronounced \sad\. sai is at rank #26,527, tagged as anoun, pronounced \ˈsaɪ\.

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 52699, this pair ranks #145,885 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sade vs sai

Shared letters: as. Private to "sade": de. Private to "sai": i.

"sade" · 4 letters · shape CVCV  ·  "sai" · 3 letters · shape CVV

Known mistypes of this pair

  • sadeasde · sadde · saed · sdae · ssade

Frequently Asked Questions

Can "sade" and "sai" be used interchangeably?
No - they are not even the same part of speech. "sade" is an adjective and "sai" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sade" vs "sai" - which ranks higher?
"sade" is the more common of the two: it sits at frequency rank #26,172 in our French list, against #26,527 for "sai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "sade" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sai" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #145,885 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sade" and "sai" also get mixed up with nearby pairs, the highest-scored neighbour is "sai vs suu". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #145,885 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