Which to use
“casera” is an adjective and “cátedra” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,405
- “casera” frequency rank
- #7,535
- “cátedra” frequency rank
- 20940
- confusion score
Side-by-Side Comparison
| Feature | casera | cátedra |
|---|---|---|
| Definition | Forma del femenino singular de casero. | Asiento elevado desde donde el profesor instruye a los estudiantes. |
Where the eye mixes casera and cátedra
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. casera runs 6 letters (CVCVCV) against cátedra's 7 (CVCVCCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: casera vs cátedra
These two trip readers on the page rather than in the ear: casera is [kaˈseɾa] while cátedra is [ˈkat̪eð̞ɾa]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20940, derived from the frequency rank of both members and their visual similarity.
casera is recorded at frequency rank #13,405, classified as anadj, pronounced [kaˈseɾa]. cátedra is at rank #7,535, tagged as anoun, pronounced [ˈkat̪eð̞ɾa].
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 20940, this pair ranks #257,090 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casera vs cátedra
Shared letters: acer. Private to "casera": s. Private to "cátedra": dtá.
"casera" · 6 letters · shape CVCVCV · "cátedra" · 7 letters · shape CVCVCCV
Known mistypes of this pair
- casera ← acsera · cacera · caesra · casear · caserra · casrea · cassera · ccasera
Frequently Asked Questions
Do "casera" and "cátedra" mean the same thing in a sentence?
In ordinary Spanish text, does "casera" or "cátedra" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "casera" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cátedra" - compare definitions side by side with the headword page. Word entry
- This pair ranks #257,090 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casera" and "cátedra" also get mixed up with nearby pairs, the highest-scored neighbour is "casera vs cederá". 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 #257,090 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.