Bread & Bred

As in, "For thousands of years the yeast Saccharomyces cerevisiae has been bred for its use in wine, beer, and bread."

Baron & Barren

Following up last week's Magnate with his twin brother the Baron. Too bad the Baroness can't bear children.
See what I did there?... :)

Magnate & Magnet

Yes, if you cornered the market on magnets, you could become a magnet magnate. I guess.
This one goes out to my buddy Abe at Green Light Music & Video in Kalamazoo, who requested this one a couple times already. I finally got to it, Abe!

Beau & Bow