The company experienced a twelvefold increase in profits last year.

She increased her productivity twelvefold.

I'll be there at twelveish.

The twelvefoldness of the design adds a unique and intricate element to the artwork.

I paid twelvepence for the candy.

I bought a twelvepenny nail to fix the loose board.

He counted twelvescore coins in his collection.

He hammered the twelvepenny nail into the wooden plank.

He is a devout Twelver.

The twelveling is a mythical creature that brings good luck.