saitvsspiWhich spelling fits?

Quick tell: sait is a verb, spi is an adjective, so they fill different roles in a sentence.

Which to use

“sait” is a verb and “spi” is an adjective - they look or sound alike but fill different roles in a sentence.

#393
“sait” frequency rank
#49,369
“spi” frequency rank
49762
confusion score

Side-by-Side Comparison

Feature sait spi
Definition Troisième personne du singulier de l’indicatif présent de savoir. Spirituel (au sens religieux).

Where the eye mixes sait and spi

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

4 ch
sait
3 ch
spi

Why the eye confuses sait with spi

These two trip readers on the page rather than in the ear: sait is \sɛ\ while spi is \spi\. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 49762, derived from the frequency rank of both members and their visual similarity.

sait is recorded at frequency rank #393, classified as averb, pronounced \sɛ\. spi is at rank #49,369, tagged as anadj, pronounced \spi\.

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 49762, this pair ranks #168,034 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sait vs spi

Shared letters: is. Private to "sait": at. Private to "spi": p.

"sait" · 4 letters · shape CVVC  ·  "spi" · 3 letters · shape CCV

Known mistypes of this pair

  • saitasit · saitt · sati · siat · ssait

Frequently Asked Questions

Do "sait" and "spi" mean the same thing in a sentence?
No - they are not even the same part of speech. "sait" is a verb and "spi" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sait" or "spi"?
"sait" is the more common of the two: it sits at frequency rank #393 in our French list, against #49,369 for "spi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "sait" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "spi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #168,034 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sait" and "spi" also get mixed up with nearby pairs, the highest-scored neighbour is "spi 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 #168,034 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