1. Four times twenty; eighty years.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• dourscore,
• courscore,
• vourscore,
• gourscore,
• tourscore,
• rourscore,
• fiurscore,
• fkurscore,
• flurscore,
• fourscoree,
• forscore,
• foursore,
• fourscor,
• forescore,
• fourfoote,
• fourehorse,
• Fourscirt,
• Fourscnd,
• Forscond,
• Fotiscope

• for short,
• foursquare,
• foreswear,
• for certain,
• foreshore,
• foreshorten,
• forker,
• forsgren,
• forcier,
• for sure,
• forger.

The adjective form of the word "fourscore" is "four-scored".

The plural form of the word "fourscore" is "fourscores".

The singular form of the word "fourscore" is "score"