odiousvsominousWhat's the difference?

Which to use

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

#38,524
“odious” frequency rank
#17,194
“ominous” frequency rank
55718
confusion score

Side-by-Side Comparison

Feature odious ominous
Definition Arousing or meriting strong dislike, aversion, or intense displeasure. Of or pertaining to an omen or to omens; being or exhibiting an omen; significant.

Where the eye mixes odious and ominous

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. odious runs 6 letters (VCVVVC) against ominous's 7 (VCVCVVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
odious
7 ch
ominous

Visual trap between odious and ominous

A purely visual mix-up. odious (/ˈəʊ.di.əs/) and ominous (/ˈɒmɪnəs/) 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 55718, derived from the frequency rank of both members and their visual similarity.

odious is recorded at frequency rank #38,524, classified as anadj, pronounced /ˈəʊ.di.əs/. ominous is at rank #17,194, tagged as anadj, pronounced /ˈɒmɪnəs/.

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 55718, this pair ranks #131,540 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of odious vs ominous

Shared letters: iosu. Private to "odious": d. Private to "ominous": mn.

"odious" · 6 letters · shape VCVVVC  ·  "ominous" · 7 letters · shape VCVCVVC

Known mistypes of this pair

  • odious ← doious · oddious · odiosu · odiouss · odiuos · odoius · oidous
  • ominous ← moinous · oimnous · ominnous · ominosu · ominouss · ominuos · omionus · omminous

Frequently Asked Questions

Is swapping "odious" for "ominous" ever safe?
No. They are said differently (/ˈəʊ.di.əs/ versus /ˈɒmɪnəs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "odious" vs "ominous" - which ranks higher?
"ominous" is the more common of the two: it sits at frequency rank #17,194 in our English list, against #38,524 for "odious". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "odious" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ominous" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #131,540 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "odious" and "ominous" also get mixed up with nearby pairs, the highest-scored neighbour is "odious vs Oedipus". 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 #131,540 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