Which to use
“so” is an adverb and “spi” is an adjective - they look or sound alike but fill different roles in a sentence.
- #4,187
- “so” frequency rank
- #49,369
- “spi” frequency rank
- 53556
- confusion score
Side-by-Side Comparison
| Feature | so | spi |
|---|---|---|
| Definition | Ainsi, comme ça. | Spirituel (au sens religieux). |
Where the eye mixes so and spi
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between so and spi
These two trip readers on the page rather than in the ear: so is \zoː\ 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 (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 53556, derived from the frequency rank of both members and their visual similarity.
so is recorded at frequency rank #4,187, classified as anadv, pronounced \zoː\. 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 53556, this pair ranks #139,928 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of so vs spi
Shared letters: s. Private to "so": o. Private to "spi": ip.
"so" · 2 letters · shape CV · "spi" · 3 letters · shape CCV
Frequently Asked Questions
Do "so" and "spi" mean the same thing in a sentence?
Which is more common, "so" or "spi"?
After this comparison
Eye-level mix-up between "so" and "spi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "so" 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 #139,928 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "so" and "spi" also get mixed up with nearby pairs, the highest-scored neighbour is "spi vs suu". Nearby pair
Confusion rank #139,928 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.