Here are example sentences using each of the given words:
Discover : Scientists were thrilled to discover a new species of butterfly in the Amazon rainforest.
Little : The little kitten curled up on the soft pillow to take a nap.
Knife : She used a sharp knife to chop the vegetables for dinner.
Inside : The children played inside the house because it was raining outside.
Windshield : It was hard to see through the dirty windshield, so she used the wipers to clean it.
Expert : The expert mechanic quickly identified the problem with the car's engine.
Coffee : He enjoys a cup of hot coffee every morning to start his day.