Which to use
“ides” and “ies” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,856
- “ides” frequency rank
- #45,988
- “ies” frequency rank
- 90844
- confusion score
Side-by-Side Comparison
| Feature | ides | ies |
|---|---|---|
| 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. | plural of i, the name of the letter I. |
Letter map: ides vs ies
Shared letters muted; letters that set ides and ies apart highlighted. Shared run: 3.
Spelling & dictionary notes on ides vs ies
ides and ies are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 90844, 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/. ies is at rank #45,988, 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 90844, this pair ranks #3,807 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ides vs ies
Shared letters: eis. Private to "ides": d. Private to "ies": -.
"ides" · 4 letters · shape VCVC · "ies" · 3 letters · shape VVC
Known mistypes of this pair
- ides ← iddes · idess · idse · ieds
Frequently Asked Questions
Can "ides" and "ies" be used interchangeably?
Which is more common, "ides" or "ies"?
What to do next
Pair "ides" vs "ies" 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 "ies" - compare definitions side by side with the headword page. Word entry
- This pair ranks #3,807 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ides" and "ies" also get mixed up with nearby pairs, the highest-scored neighbour is "ies 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 #3,807 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.