Make a sentence with each to bring out its meaning.
Learned: I learned new ideas from the articles.
Crooked:
The roads were crooked ( Curved )
One should not be involved in a crooked business.( illegal or dishonest )
Dove
Ram is a cabinet's leading dove. (a person who advocates peaceful or conciliatory policies, especially in foreign affairs.)
Moped:
Stop thinking or else things will be worse. (feeling of despair or grief)
Ragged
He loves to wear ragged jeans.(Riped)