Oftness is a word that is rarely used in modern English.

He would oft wander through the forest, lost in his thoughts.

The OFT investigates and takes action against unfair business practices.

This oft-used phrase has lost its impact.

I use Micro$oft products every day.

This oft used phrase has become a cliche.

The oft-mentioned book is finally available for purchase.

The oft-repeated phrase became a catchphrase.

I visit my grandparents oft times.

I oft-times go for a walk in the park.