viola, voila

Viola or viola is a four-stringed instrument, larger than a violin or fiddle, but similar in appearance, and a bit lower in tone--
She plays the viola in the local orchestra.
We have heard her practice that tune on her viola dozens of times.

Viola or viola is also the scientific or Latin name for a pansy, the small purple or blue garden flower--
Some viola will look nice in the front garden.
He wore a viola in his buttonhole, to celebrate the end of the cold weather.

Voila or voila, borrowed from French, means "there it is!" or "look!"--
Now remove the aluminum foil, and voila! you have an ice cream cake.
Then we subtract the same amount from both sides, and voila! we have the correct answer.

Now that you know that, you can say--
"We just need to tune the viola, and voila! everything sounds much better."