Which words is a synonym of the word nourish EXCEPT?

All of the following words are synonyms of the word tidy EXCEPT-

All of the following are antonyms of the word sturdy EXCEPT-

All of the following are synonyms of the word disaster EXCEPT-

All the following words mean the same thing as the word drowsy EXCEPT-

Which of the following words is the antonym of the word dread?

All of the following are synonyms of the word livid EXCEPT-

All of the following are antonyms of stifle EXCEPT-

All of the following are synonyms of sterilize EXCEPT-