He had allowed his interest in the girl's activities to shade into interest in her.

Employers contribute a percentage of an individual's salary into a retirement account, plus interest.

Her tired expression blossoming into genuine interest suggests we are indeed doing something special.

The things he heard were shocking him into interest.

In other words, the $375 million in original principal was converted into interest through a loan where ultimately very little real money changed hands.

A lot of my friends who were going to go into public interest have taken firm jobs just to pay off their loans.

In other words, a chance to convert mild interest into big interest.

No, because lowering the price is almost never sufficient to change non-interest into interest.

In effect, selling a bond at a discount converts stated principal into a return on investment, or interest.

And this is without going into the beauty and interest of the works themselves.