Which to use
“cair” is a verb and “casa” is a noun - they look or sound alike but fill different roles in a sentence.
- #47,515
- “cair” frequency rank
- #14,082
- “casa” frequency rank
- 61597
- confusion score
Side-by-Side Comparison
| Feature | cair | casa |
|---|---|---|
| Definition | To go. | house |
Where the spellings diverge
Shared letters are muted; the letters that actually set cair and casa apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cair is averb and casaanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 61597, derived from the frequency rank of both members and their visual similarity.
cair is recorded at frequency rank #47,515, classified as averb. casa is at rank #14,082, tagged as anoun, pronounced /ˈkɑːsə/.
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 61597, this pair ranks #93,338 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of cair vs casa
Shared letters: ac. Private to "cair": ir. Private to "casa": s.
"cair" · 4 letters · shape CVVC · "casa" · 4 letters · shape CVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "cair" and "casa" be used interchangeably?
Which is more common, "cair" or "casa"?
Remembering cair vs casa
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “cair”; for a noun, it's “casa”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “cair” entry
- Browse more pairs most likely to be confused. Most confusable