Alternative history is a genre of fiction that explores what would have happened if historical events had unfolded differently.

I love listening to alternative metal.

There are many alternative algebras that can be used to solve the problem.

The sailor tied the alternating knots on the rope.

Many countries are investing in alternative fuels to reduce their dependence on fossil fuels.

The election used alternative votes to determine the winner.

The alternating groups are important in the study of group theory.

Alternative presses provide diverse perspectives and independent voices.

Grammatical alternations can be observed in various languages.

The Verner alternations in Old English are interesting linguistic phenomena.