# ETS

> English word · Noun · frequency rank #30,786

## Definitions
1. Initialism of emissions trading scheme.
2. Initialism of environmental tobacco smoke.
3. Initialism of end of term of service or expiration of term of service.
4. Initialism of estimated time of separation.

## Easily confused with
- **ex** (https://plainspell.com/en/vs/ets-vs-ex)
- **EU** (https://plainspell.com/en/vs/ets-vs-eu)
- **EV** (https://plainspell.com/en/vs/ets-vs-ev)
- **ew** (https://plainspell.com/en/vs/ets-vs-ew)
- **ey** (https://plainspell.com/en/vs/ets-vs-ey)
- **ez** (https://plainspell.com/en/vs/ets-vs-ez)
- **eye** (https://plainspell.com/en/vs/ets-vs-eye)
- **eve** (https://plainspell.com/en/vs/ets-vs-eve)
- **EVA** (https://plainspell.com/en/vs/ets-vs-eva)
- **evo** (https://plainspell.com/en/vs/ets-vs-evo)
- **eww** (https://plainspell.com/en/vs/ets-vs-eww)
- **exe** (https://plainspell.com/en/vs/ets-vs-exe)
- **ewe** (https://plainspell.com/en/vs/ets-vs-ewe)
- **eyes** (https://plainspell.com/en/vs/ets-vs-eyes)
- **exes** (https://plainspell.com/en/vs/ets-vs-exes)
- **Etta** (https://plainspell.com/en/vs/ets-vs-etta)
- **e** (https://plainspell.com/en/vs/e-vs-ets)
- **ed** (https://plainspell.com/en/vs/ed-vs-ets)
- **et** (https://plainspell.com/en/vs/et-vs-ets)
- **em** (https://plainspell.com/en/vs/em-vs-ets)

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