Even though his ID said he was twenty, he still looked seventeenish to everyone at the party.

She put the single coin marked seventeenpence into the jar for spare change.

Seventeenthly, the athlete finished in the seventeenth place.

The seventeenth chapter of the book revealed a surprising plot twist.

After dividing the pie into seventeen equal pieces, he saved the seventeenth for later.

The committee compared the seventeenths from different editions to establish a reliable text.