Which to use
“ides” is a noun and “ips” is a symbol - they look or sound alike but fill different roles in a sentence.
- #44,856
- “ides” frequency rank
- #20,676
- “ips” frequency rank
- 65532
- confusion score
Side-by-Side Comparison
| Feature | ides | ips |
|---|---|---|
| Definition | 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. | Initialism of inch(es) per second. |
Letter map: ides vs ips
Shared letters muted; letters that set ides and ips apart highlighted. Shared run: 2.
Role in the sentence - ides and ips
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ides is anoun and ipsasymbol. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65532, derived from the frequency rank of both members and their visual similarity.
ides is recorded at frequency rank #44,856, classified as anoun, pronounced /aɪdz/. ips is at rank #20,676, tagged as asymbol.
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 65532, this pair ranks #72,288 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ides vs ips
Shared letters: is. Private to "ides": de. Private to "ips": p.
"ides" · 4 letters · shape VCVC · "ips" · 3 letters · shape VCC
Known mistypes of this pair
- ides ← iddes · idess · idse · ieds
Frequently Asked Questions
Is swapping "ides" for "ips" ever safe?
Which is more common, "ides" or "ips"?
What to do next
Pair "ides" vs "ips" is on the table, pick a follow-up below.
- Full dictionary entry for "ides" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ips" - compare definitions side by side with the headword page. Word entry
- This pair ranks #72,288 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ides" and "ips" 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 #72,288 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.