othvsOTPTell them apart

Which to use

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

#39,944
“oth” frequency rank
#45,563
“OTP” frequency rank
85507
confusion score

Side-by-Side Comparison

Feature oth OTP
Definition Obsolete spelling of oath. Initialism of one-time pad.

Letter map: oth vs OTP

Shared letters muted; letters that set oth and OTP apart highlighted. Shared run: 2.

3 ch
oth
3 ch
OTP

Corpus notes: oth and OTP

oth and OTP 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 a single letter - h in “oth” becomes p in “OTP”. Our composite confusion score for this pair is 85507, derived from the frequency rank of both members and their visual similarity.

oth is recorded at frequency rank #39,944, classified as anoun. OTP is at rank #45,563, 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 85507, this pair ranks #10,278 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of oth vs OTP

Shared letters: ot. Private to "oth": h. Private to "OTP": p.

"oth" · 3 letters · shape VCC  ·  "OTP" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "oth" for "OTP" ever safe?
No. They differ by a single letter - h in “oth” becomes p in “OTP”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "oth" vs "OTP" - which ranks higher?
"oth" is the more common of the two: it sits at frequency rank #39,944 in our English list, against #45,563 for "OTP". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "oth" and "OTP".

  • Full dictionary entry for "oth" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "OTP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #10,278 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "oth" and "OTP" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs OTP". Nearby pair

Confusion rank #10,278 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