Which to use
“cost” is a verb and “CT” is a noun - they look or sound alike but fill different roles in a sentence.
- #568
- “cost” frequency rank
- #5,951
- “CT” frequency rank
- 6519
- confusion score
Side-by-Side Comparison
| Feature | cost | CT |
|---|---|---|
| Definition | To incur a charge of; to require payment of a (specified) price. | Initialism of computed tomography. |
Letter map: cost vs CT
Shared letters muted; letters that set cost and CT apart highlighted. Shared run: 2.
Role in the sentence - cost and CT
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cost is averb and CTanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 6519, derived from the frequency rank of both members and their visual similarity.
cost is recorded at frequency rank #568, classified as averb, pronounced /ˈkɒst/. CT is at rank #5,951, 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 6519, this pair ranks #511,090 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of cost vs CT
Shared letters: ct. Private to "cost": os. Private to "CT": -.
"cost" · 4 letters · shape CVCC · "CT" · 2 letters · shape CC
Known mistypes of this pair
- cost ← ccost · cosst · costt · cots · csot · ocst
Frequently Asked Questions
Do "cost" and "CT" mean the same thing in a sentence?
Frequency check: "cost" vs "CT" - which ranks higher?
After this comparison
You've compared "cost" and "CT". Here's where to go from here.
- Full dictionary entry for "cost" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CT" - compare definitions side by side with the headword page. Word entry
- This pair ranks #511,090 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cost" and "CT" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs CT". 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 #511,090 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.