Which to use
“CDC” is a name and “cup” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,113
- “CDC” frequency rank
- #805
- “cup” frequency rank
- 13918
- confusion score
Side-by-Side Comparison
| Feature | CDC | cup |
|---|---|---|
| Definition | Initialism of Control Data Corporation. | A concave vessel for drinking, usually made of opaque material (as opposed to a glass) and with a handle. |
Where the spellings diverge
Shared letters are muted; the letters that actually set CDC and cup apart are highlighted. They share 1 letter 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: CDC is aname and cupanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 13918, derived from the frequency rank of both members and their visual similarity.
CDC is recorded at frequency rank #13,113, classified as aname. cup is at rank #805, tagged as anoun, pronounced /kʌp/.
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 13918, this pair ranks #473,113 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of CDC vs cup
Shared letters: c. Private to "CDC": d. Private to "cup": pu.
"CDC" · 3 letters · shape CCC · "cup" · 3 letters · shape CVC
Frequency comparison
Frequently Asked Questions
Can "CDC" and "cup" be used interchangeably?
Which is more common, "CDC" or "cup"?
Remembering CDC vs cup
The fastest way to pick the right one every time.
- Check the role first: if you need a name, it's “CDC”; for a noun, it's “cup”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “CDC” entry
- Browse more pairs most likely to be confused. Most confusable