The park was filled with the billings and cooings of the lovebirds.

Bill Gates' flower fly is a beautiful insect found in Costa Rica.

Bill Gates' flower flies are beautiful.

He tried to sell me a bill of goods, but I didn't fall for it.

He claimed to be a millionaire, but everyone knew he was as phony as a three-dollar bill.

The black cat jumped over Bill's mother's hat.

The Sikkim wedge-billed babbler is a small bird found in the Himalayan region.

The thick-billed green pigeon is a species of pigeon found in Southeast Asia.

I received three Christmas tree bills in the mail today.

He handed over a stack of small unmarked bills.