Which to use
“ICS” is a name and “ides” is a noun - they look or sound alike but fill different roles in a sentence.
- #28,246
- “ICS” frequency rank
- #44,856
- “ides” frequency rank
- 73102
- confusion score
Side-by-Side Comparison
| Feature | ICS | ides |
|---|---|---|
| Definition | Initialism of Indy Car Series, the premier open-wheel racing series in the United States. | The notional full-moon day of a Roman month, occurring on the 15th day of the four original 31-day months (March, May, Quintilis or July, and October) and on the 13th day of all other months. |
Letter map: ICS vs ides
Shared letters muted; letters that set ICS and ides apart highlighted. Shared run: 2. ICS runs 3 letters (VCC) against ides's 4 (VCVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - ICS and ides
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ICS is aname and idesanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 73102, derived from the frequency rank of both members and their visual similarity.
ICS is recorded at frequency rank #28,246, classified as aname. ides is at rank #44,856, tagged as anoun, pronounced /aɪdz/.
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 73102, this pair ranks #40,721 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ICS vs ides
Shared letters: is. Private to "ICS": c. Private to "ides": de.
"ICS" · 3 letters · shape VCC · "ides" · 4 letters · shape VCVC
Known mistypes of this pair
- ides ← iddes · idess · idse · ieds
Frequently Asked Questions
Can "ICS" and "ides" be used interchangeably?
Which is more common, "ICS" or "ides"?
After this comparison
Done with this confusable. These links stay specific to "ICS" and "ides".
- Full dictionary entry for "ICS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ides" - compare definitions side by side with the headword page. Word entry
- This pair ranks #40,721 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ICS" and "ides" also get mixed up with nearby pairs, the highest-scored neighbour is "ices vs ides". 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 #40,721 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.