In the following set of words, which is different than the others?

Question

Quizplus · Accepted Answer

Create is a verb meaning 'to bring something into existence'. It is not similar to the rest of the words in the set, because they all pertain to stopping something by blocking it.
Obstruct is a verb meaning 'to block an opening or get in the way of'. It is similar to the rest of the words in the set (excluding 'create') because they all pertain to stopping something by blocking it.
Hinder is a verb meaning 'to make it difficult for something to happen'. 
Block, when used as a verb means 'to make the movement or flow difficult or impossible'. 
Deter is a verb meaning 'to discourage someone from doing something and prevent the occurrence of'.

In the Following Set of Words, Which Is Different Than