Compare the words darkness and darkest. how are they alike? how are they different?

The words "darkness" and "darkest" are alike because they share the same root. However, they are also different because they have different suffixes and they represent two different word classes.

Explanation: The words "darkness" and "darkest" are alike because they share the same root word: "dark". However, they have different suffixes. While "darkness" ends in the suffix "-ness", "darkest" ends in the suffix "-est". Moreover, these two suffixes indicate that "darkness" is a noun, while "darkest" is a superlative adjective. Therefore, "darkness" and "darkest" are similar but also different.  

what do you mean

explanation:

different strategies reach different people based on their ability to understand the material. (from personal experience) when writing an argumentative essay write explaining the subject as though your audience never heard of it before and it is just being introduced, then explain why other people hate it also, afterward you would explain why that would be wrong. i hope that : )