Compare the words spray and streak. how are they alike? how are they different ?

The answer to your question would be that both words start with the letter s- and they are both one syllable words. However, they are different in terms of meaning and pronounciation.

On the one hand, "spray" means "a mass of very small drops of liquid carried in the air". On the other hand, "streak" means "a long, thin mark that is easily noticed because is very different from the area sorrounding it".