Because , Dreaded is a stronger word.
The suffixes -ible and -able mean that it is able to be done. For example, edible means that it can be eaten; drivable means it can be driven; disposable means it can be disposed of.
Hope this helps
The fourth answer; to get people to think.
Answer:an idea or feeling that a word invokes in addition to its literal or primary meaning.
Explanation:"the word “discipline” has unhappy connotations of punishment and repression"
