# seventy

> English word · Numeral · IPA /ˈsɛv.ən.ti/ · frequency rank #9,954

## Definitions
1. The cardinal number occurring after sixty-nine and before seventy-one, represented in Roman numerals as LXX and in Arabic numerals as 70.

## Etymology
From Middle English seventy, sevynty, from Old English hundseofontiġ, from Proto-Germanic *sebuntēhundą (“seventy”), equivalent to seven + -ty. Cognate with Scots seiventy (“seventy”), Saterland Frisian soogentich (“seventy”), West Frisian santich (“seventy”), Dutch zeventig (“seventy”), German Low German söventig (“seventy”), German siebzig (“seventy”), Swedish sjuttio (“seventy”), Norwegian sytti (“seventy”), Icelandic sjötíu (“seventy”).

## Easily confused with
- **severity** (https://plainspell.com/en/vs/seventy-vs-severity)
- **seven** (https://plainspell.com/en/vs/seven-vs-seventy)
- **seventh** (https://plainspell.com/en/vs/seventh-vs-seventy)
- **serenity** (https://plainspell.com/en/vs/serenity-vs-seventy)

## Common misspellings (11)
`esventy`, `seevnty`, `sevennty`, `seventty`, `seventyy`, `sevenyt`, `sevetny`, `sevnety`, `sevventy`, `sseventy`, `sveenty`

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