I was positive all she did was substitute a different one for each letter in the alphabet.

These nuts, as far as they went, were a good substitute for bread.

Jessi arrived fifteen minutes early the next day, in case Xander or Ingrid called in a substitute after she quit.

"I'm sorry I have to be the substitute but I feel honored," he said.

In times of scarcity the Norse peasant-farmer uses the sweetish inner bark, beaten in a mortar and ground in his primitive mill with oats or barley, to eke out a scanty supply of meal, the mixture yielding a tolerably palatable though somewhat resinous substitute for his ordinary flad-brod.