IBPS PO Mains 2018 Paper for online practice

Which of the following words given in the option should come at the place marked as (E) in the above paragraph to make it grammatically correct and meaningful. Also, the word should fill in the two sentences given below to make them contextually correct and meaningful.
(i) They can't destroy the strong, but they can _____ significant damage.
(ii) When attacked by dogs, the cats use their sharp canine teeth, which __ deep and even dangerous wounds.