Which to use
“spi” is an adjective and “sus” is an adverb - they look or sound alike but fill different roles in a sentence.
- #49,369
- “spi” frequency rank
- #12,488
- “sus” frequency rank
- 61857
- confusion score
Side-by-Side Comparison
| Feature | spi | sus |
|---|---|---|
| Definition | Spirituel (au sens religieux). | Dessus. |
Where the spellings diverge
Shared letters are muted; the letters that actually set spi and sus apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: spi is \spi\ while sus is \sys\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 61857, derived from the frequency rank of both members and their visual similarity.
spi is recorded at frequency rank #49,369, classified as anadj, pronounced \spi\. sus is at rank #12,488, tagged as anadv, pronounced \sys\.
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 61857, this pair ranks #90,070 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of spi vs sus
Shared letters: s. Private to "spi": ip. Private to "sus": u.
"spi" · 3 letters · shape CCV · "sus" · 3 letters · shape CVC
Frequency comparison
Frequently Asked Questions
Can "spi" and "sus" be used interchangeably?
Which is more common, "spi" or "sus"?
Remembering spi vs sus
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “spi”; for an adverb, it's “sus”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “spi” entry
- Browse more pairs most likely to be confused. Most confusable