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Question 1

whereabouts

Answer 1

the place where a person or thing is:
~ Trupin is thought to be in the Caribbean, although his exact whereabouts are/is a mystery.

Question 2

aversion

Answer 2

(a person or thing that causes) a feeling of strong dislike or of not wishing to do something:

~ I felt an instant aversion to his parents.
~ She has a deep aversion to getting up in the morning.
~ Greed is my pet aversion (= the thing I dislike most of all).