# OTP

> English word · Noun · frequency rank #45,563

## Definitions
1. Initialism of one-time pad.
2. Initialism of one-time password: a password that is valid for only one login session or transaction.
3. Initialism of one true pair (or pairing): the romantic pairing preferred by an author or reader of fan fiction.
4. Initialism of one-trick pony.
5. Initialism of offer to purchase.

## Easily confused with
- **oz** (https://plainspell.com/en/vs/otp-vs-oz)
- **ou** (https://plainspell.com/en/vs/otp-vs-ou)
- **ow** (https://plainspell.com/en/vs/otp-vs-ow)
- **ox** (https://plainspell.com/en/vs/otp-vs-ox)
- **oy** (https://plainspell.com/en/vs/otp-vs-oy)
- **ov** (https://plainspell.com/en/vs/otp-vs-ov)
- **out** (https://plainspell.com/en/vs/otp-vs-out)
- **our** (https://plainspell.com/en/vs/otp-vs-our)
- **own** (https://plainspell.com/en/vs/otp-vs-own)
- **owe** (https://plainspell.com/en/vs/otp-vs-owe)
- **owl** (https://plainspell.com/en/vs/otp-vs-owl)
- **ova** (https://plainspell.com/en/vs/otp-vs-ova)
- **OTT** (https://plainspell.com/en/vs/otp-vs-ott)
- **oui** (https://plainspell.com/en/vs/otp-vs-oui)
- **OTS** (https://plainspell.com/en/vs/otp-vs-ots)
- **OWS** (https://plainspell.com/en/vs/otp-vs-ows)
- **otto** (https://plainspell.com/en/vs/otp-vs-otto)
- **o** (https://plainspell.com/en/vs/o-vs-otp)
- **of** (https://plainspell.com/en/vs/of-vs-otp)
- **on** (https://plainspell.com/en/vs/on-vs-otp)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/otp