Which to use
“case” is a verb and “cis” is an adjective - they look or sound alike but fill different roles in a sentence.
- #10,632
- “case” frequency rank
- #20,606
- “cis” frequency rank
- 31238
- confusion score
Side-by-Side Comparison
| Feature | case | cis |
|---|---|---|
| Definition | Primera persona del singular (yo) del presente de subjuntivo de casar. | Cisgénero. |
Where the eye mixes case and cis
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: case vs cis
These two trip readers on the page rather than in the ear: case is [ˈkase] while cis is [ˈsis]. 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 31238, derived from the frequency rank of both members and their visual similarity.
case is recorded at frequency rank #10,632, classified as averb, pronounced [ˈkase]. cis is at rank #20,606, tagged as anadj, pronounced [ˈsis].
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 31238, this pair ranks #208,075 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of case vs cis
Shared letters: cs. Private to "case": ae. Private to "cis": i.
"case" · 4 letters · shape CVCV · "cis" · 3 letters · shape CVC
Known mistypes of this pair
- case ← acse · cace · casse · ccase · csae
Frequently Asked Questions
Do "case" and "cis" mean the same thing in a sentence?
In ordinary Spanish text, does "case" or "cis" show up more?
Useful next steps
Eye-level mix-up between "case" and "cis" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "case" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #208,075 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "case" and "cis" also get mixed up with nearby pairs, the highest-scored neighbour is "cis vs cuc". 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 #208,075 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.