onionsvsopinionsWhat's the difference?

Which to use

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

#9,928
“onions” frequency rank
#3,574
“opinions” frequency rank
13502
confusion score

Side-by-Side Comparison

Feature onions opinions
Definition plural of onion plural of opinion

Where the eye mixes onions and opinions

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. onions runs 6 letters (VCVVCC) against opinions's 8 (VCVCVVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
onions
8 ch
opinions

Look-alike desk: onions vs opinions

A purely visual mix-up. onions (/ˈʌn.jənz/) and opinions (/əˈpɪn.jənz/) 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 13502, derived from the frequency rank of both members and their visual similarity.

onions is recorded at frequency rank #9,928, classified as anoun, pronounced /ˈʌn.jənz/. opinions is at rank #3,574, tagged as anoun, pronounced /əˈpɪn.jənz/.

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 13502, this pair ranks #475,407 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of onions vs opinions

Shared letters: inos. Private to "onions": -. Private to "opinions": p.

"onions" · 6 letters · shape VCVVCC  ·  "opinions" · 8 letters · shape VCVCVVCC

Known mistypes of this pair

  • onions ← noions · oinons · oninos · onionns · onionss · oniosn · onnions · onoins
  • opinions ← oipnions · opiinons · opininos · opinionns · opinionss · opiniosn · opinnions · opinoins

Frequently Asked Questions

Can "onions" and "opinions" be used interchangeably?
No. They are said differently (/ˈʌn.jənz/ versus /əˈpɪn.jənz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "onions" or "opinions"?
"opinions" is the more common of the two: it sits at frequency rank #3,574 in our English list, against #9,928 for "onions". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "onions" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "opinions" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #475,407 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "onions" and "opinions" also get mixed up with nearby pairs, the highest-scored neighbour is "odious vs onions". 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 #475,407 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