Which to use
“iMac” is a noun and “ISC” is a name - they look or sound alike but fill different roles in a sentence.
- #34,536
- “iMac” frequency rank
- #43,722
- “ISC” frequency rank
- 78258
- confusion score
Side-by-Side Comparison
| Feature | iMac | ISC |
|---|---|---|
| Definition | One of a line of all-in-one Macintosh computers made by Apple Inc. | Initialism of Internet Systems Consortium. |
Letter map: iMac vs ISC
Shared letters muted; letters that set iMac and ISC apart highlighted. Shared run: 2.
Role in the sentence - iMac and ISC
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: iMac is anoun and ISCaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 78258, derived from the frequency rank of both members and their visual similarity.
iMac is recorded at frequency rank #34,536, classified as anoun. ISC is at rank #43,722, tagged as aname.
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 78258, this pair ranks #25,062 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of iMac vs ISC
Shared letters: ci. Private to "iMac": am. Private to "ISC": s.
"iMac" · 4 letters · shape VCVC · "ISC" · 3 letters · shape VCC
Known mistypes of this pair
- iMac ← iamc · imacc · immac
Frequently Asked Questions
Is swapping "iMac" for "ISC" ever safe?
Frequency check: "iMac" vs "ISC" - which ranks higher?
What to do next
You've compared "iMac" and "ISC". Here's where to go from here.
- Full dictionary entry for "iMac" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ISC" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,062 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "iMac" and "ISC" also get mixed up with nearby pairs, the highest-scored neighbour is "ISC vs ith". 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 #25,062 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.