idolvsioTell them apart

Which to use

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

#7,802
“idol” frequency rank
#16,946
“io” frequency rank
24748
confusion score

Side-by-Side Comparison

Feature idol io
Definition A graven image or representation of anything that is revered, or believed to convey spiritual power. A type of moth, the io moth.

Where the eye mixes idol and io

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

4 ch
idol
2 ch
io

Visual trap between idol and io

A purely visual mix-up. idol (/ˈaɪ.dl̩/) and io (/ˈaɪəʊ/) 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 2 letter(s) in length. Our composite confusion score for this pair is 24748, derived from the frequency rank of both members and their visual similarity.

idol is recorded at frequency rank #7,802, classified as anoun, pronounced /ˈaɪ.dl̩/. io is at rank #16,946, tagged as anoun, pronounced /ˈaɪəʊ/.

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 24748, this pair ranks #399,611 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of idol vs io

Shared letters: io. Private to "idol": dl. Private to "io": -.

"idol" · 4 letters · shape VCVC  ·  "io" · 2 letters · shape VV

Known mistypes of this pair

  • idoldiol · iddol · idlo · idoll · iodl

Frequently Asked Questions

Do "idol" and "io" mean the same thing in a sentence?
No. They are said differently (/ˈaɪ.dl̩/ versus /ˈaɪəʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "idol" vs "io" - which ranks higher?
"idol" is the more common of the two: it sits at frequency rank #7,802 in our English list, against #16,946 for "io". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "idol" and "io" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "idol" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "io" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #399,611 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "idol" and "io" also get mixed up with nearby pairs, the highest-scored neighbour is "io 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 #399,611 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