Which to use
“ides” is a noun and “Ions” is a name - they look or sound alike but fill different roles in a sentence.
- #44,856
- “ides” frequency rank
- #14,573
- “Ions” frequency rank
- 59429
- confusion score
Side-by-Side Comparison
| Feature | ides | Ions |
|---|---|---|
| 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. | A surname originating as a patronymic. |
Letter map: ides vs Ions
Shared letters muted; letters that set ides and Ions apart highlighted. Shared run: 2.
Part-of-speech tell for ides / Ions
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ides is anoun and Ionsaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59429, 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/. Ions is at rank #14,573, 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 59429, this pair ranks #106,233 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ides vs Ions
Shared letters: is. Private to "ides": de. Private to "Ions": no.
"ides" · 4 letters · shape VCVC · "Ions" · 4 letters · shape VVCC
Known mistypes of this pair
Frequently Asked Questions
Can "ides" and "Ions" be used interchangeably?
Frequency check: "ides" vs "Ions" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "ides" and "Ions".
- Full dictionary entry for "ides" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Ions" - compare definitions side by side with the headword page. Word entry
- This pair ranks #106,233 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ides" and "Ions" 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 #106,233 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.