Which to use
“close” is a verb and “CSE” is a noun - they look or sound alike but fill different roles in a sentence.
- #431
- “close” frequency rank
- #41,069
- “CSE” frequency rank
- 41500
- confusion score
Side-by-Side Comparison
| Feature | close | CSE |
|---|---|---|
| Definition | To remove or block an opening, gap or passage through. | Initialism of Certificate of Secondary Education, a former examination in UK schools; a pass achieved in this examination. |
Letter map: close vs CSE
Shared letters muted; letters that set close and CSE apart highlighted. Shared run: 3.
Role in the sentence - close and CSE
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: close is averb and CSEanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 41500, derived from the frequency rank of both members and their visual similarity.
close is recorded at frequency rank #431, classified as averb, pronounced /kləʊz/. CSE is at rank #41,069, tagged as anoun.
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 41500, this pair ranks #257,808 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of close vs CSE
Shared letters: ces. Private to "close": lo. Private to "CSE": -.
"close" · 5 letters · shape CCVCV · "CSE" · 3 letters · shape CCV
Known mistypes of this pair
- close ← cclose · cllose · cloes · closse · clsoe · colse · lcose
Frequently Asked Questions
Can "close" and "CSE" be used interchangeably?
In ordinary English text, does "close" or "CSE" show up more?
Useful next steps
Done with this confusable. These links stay specific to "close" and "CSE".
- Full dictionary entry for "close" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CSE" - compare definitions side by side with the headword page. Word entry
- This pair ranks #257,808 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "close" and "CSE" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs CSE". 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 #257,808 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.