onusvsOTSTell them apart

Which to use

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

#29,402
“onus” frequency rank
#44,979
“OTS” frequency rank
74381
confusion score

Side-by-Side Comparison

Feature onus OTS
Definition A legal obligation. Initialism of opportunity to see.

Letter map: onus vs OTS

Shared letters muted; letters that set onus and OTS apart highlighted. Shared run: 2.

4 ch
onus
3 ch
OTS

Corpus notes: onus and OTS

onus and OTS 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 74381, derived from the frequency rank of both members and their visual similarity.

onus is recorded at frequency rank #29,402, classified as anoun, pronounced /ˈəʊnəs/. OTS is at rank #44,979, 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 74381, this pair ranks #36,517 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of onus vs OTS

Shared letters: os. Private to "onus": nu. Private to "OTS": t.

"onus" · 4 letters · shape VCVC  ·  "OTS" · 3 letters · shape VCC

Known mistypes of this pair

  • onusonnus · onsu · onuss · ouns

Frequently Asked Questions

Do "onus" and "OTS" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "onus" vs "OTS" - which ranks higher?
"onus" is the more common of the two: it sits at frequency rank #29,402 in our English list, against #44,979 for "OTS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "onus" vs "OTS" is on the table, pick a follow-up below.

  • Full dictionary entry for "onus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "OTS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,517 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "onus" and "OTS" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs OTS". 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 #36,517 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