Part 1.
exasperate
irritate
excise
remove by cutting
execrable
unequivocally detestable
execrate
curse or declare to be evil or anathema
exegesis
an explanation or critical interpretation
exert
make a great effort at a mental or physical task
Part 2.
expiate
make amends for
explicate
elaborate, as of theories and hypotheses
Part 3.
exploit
draw from; make good use of
exploitation
an act that victimizes someone
expostulation
the act of expressing earnest opposition or protest
extenuate
lessen or to try to lessen the seriousness or degree of
extol
praise, glorify, or honor
extort
obtain by coercion or intimidation
Part 4.
extravagant
recklessly wasteful
facile
arrived at without due care or effort; lacking depth
faction
a dissenting clique
factious
dissenting with the majority opinion
factitious
not produced by natural forces; artificial or fake
fad
an interest followed with exaggerated zeal