ninety

The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.

Frequency

Pronounced as (IPA)

/ˈnaɪn.ti/

Inherited from Middle English

Inherited from Old English

Cognate with Scots

Cognate with Saterland Frisian

Cognate with Western Frisian

Cognate with Dutch

Cognate with German

Cognate with Swedish

Cognate with Norwegian Bokmål

Cognate with Norwegian Nynorsk

Cognate with Icelandic

In summary

From Middle English nynty, nynety, from Old English hundniġontiġ, from Proto-Germanic *newuntēhundą (“ninety”), equivalent to nine + -ty. Cognate with Scots nynty, nynety (“ninety”), Saterland Frisian njuugentich (“ninety”), West Frisian njoggentich (“ninety”), Dutch negentig (“ninety”), German Low German negentig (“ninety”), German neunzig (“ninety”), Swedish nittio (“ninety”), Norwegian Bokmål nitti (“ninety”), Norwegian Nynorsk nitti (“ninety”), Icelandic níutíu (“ninety”).