CSPvscuspConfusable pair

Quick tell: CSP is a name, cusp is a noun, so they fill different roles in a sentence.

Which to use

“CSP” is a name and “cusp” is a noun - they look or sound alike but fill different roles in a sentence.

#39,267
“CSP” frequency rank
#27,112
“cusp” frequency rank
66379
confusion score

Side-by-Side Comparison

Feature CSP cusp
Definition Initialism of California Society of Printmakers. A sharp point or pointed end.

Letter map: CSP vs cusp

Shared letters muted; letters that set CSP and cusp apart highlighted. Shared run: 3.

3 ch
CSP
4 ch
cusp

Part-of-speech tell for CSP / cusp

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: CSP is aname and cuspanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 66379, derived from the frequency rank of both members and their visual similarity.

CSP is recorded at frequency rank #39,267, classified as aname. cusp is at rank #27,112, tagged as anoun, pronounced /kʌsp/.

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 66379, this pair ranks #68,281 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of CSP vs cusp

Shared letters: cps. Private to "CSP": -. Private to "cusp": u.

"CSP" · 3 letters · shape CCC  ·  "cusp" · 4 letters · shape CVCC

Known mistypes of this pair

  • cuspccusp · csup · cuspp · cussp · ucsp

Frequently Asked Questions

Is swapping "CSP" for "cusp" ever safe?
No - they are not even the same part of speech. "CSP" is a name and "cusp" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "CSP" or "cusp" show up more?
"cusp" is the more common of the two: it sits at frequency rank #27,112 in our English list, against #39,267 for "CSP". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "CSP" and "cusp".

  • Full dictionary entry for "CSP" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cusp" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #68,281 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "CSP" and "cusp" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs CSP". 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 #68,281 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list