idesvsileTell them apart

Which to use

“ides” and “ile” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#44,856
“ides” frequency rank
#34,534
“ile” frequency rank
79390
confusion score

Side-by-Side Comparison

Feature ides ile
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. Alternative form of ail (“awn”).

Where the eye mixes ides and ile

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
ides
3 ch
ile

Visual trap between ides and ile

A purely visual mix-up. ides (/aɪdz/) and ile (/aɪl/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 79390, 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/. ile is at rank #34,534, tagged as anoun, pronounced /aɪl/.

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 79390, this pair ranks #22,205 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of ides vs ile

Shared letters: ei. Private to "ides": ds. Private to "ile": l.

"ides" · 4 letters · shape VCVC  ·  "ile" · 3 letters · shape VCV

Known mistypes of this pair

  • idesiddes · idess · idse · ieds

Frequently Asked Questions

Can "ides" and "ile" be used interchangeably?
No. They are said differently (/aɪdz/ versus /aɪl/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "ides" or "ile" show up more?
"ile" is the more common of the two: it sits at frequency rank #34,534 in our English list, against #44,856 for "ides". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ides" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ile" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #22,205 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ides" and "ile" 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 #22,205 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list