Which to use
“staph” is a noun and “Stasi” is a name - they look or sound alike but fill different roles in a sentence.
- #49,070
- “staph” frequency rank
- #37,706
- “Stasi” frequency rank
- 86776
- confusion score
Side-by-Side Comparison
| Feature | staph | Stasi |
|---|---|---|
| Definition | Staphylococcus bacteria and the infection it causes. | The Ministry for State Security, secret police and intelligence organization of the German Democratic Republic (East Germany). |
Where the eye mixes staph and Stasi
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. staph (CCVCC) and Stasi (CCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: staph vs Stasi
These two trip readers on the page rather than in the ear: staph is /stæf/ while Stasi is /ˈstɑːzi/. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 86776, derived from the frequency rank of both members and their visual similarity.
staph is recorded at frequency rank #49,070, classified as anoun, pronounced /stæf/. Stasi is at rank #37,706, tagged as aname, pronounced /ˈstɑːzi/.
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 86776, this pair ranks #8,513 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of staph vs Stasi
Shared letters: ast. Private to "staph": hp. Private to "Stasi": i.
"staph" · 5 letters · shape CCVCC · "Stasi" · 5 letters · shape CCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "staph" for "Stasi" ever safe?
Which is more common, "staph" or "Stasi"?
Useful next steps
Eye-level mix-up between "staph" and "Stasi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "staph" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Stasi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,513 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "staph" and "Stasi" also get mixed up with nearby pairs, the highest-scored neighbour is "staid vs staph". 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 #8,513 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.