economic

economic

economics

economist

economy

economical

economically

system

system

systematic

systematically

decision

decide

decisiveness

resolution

determine

test

test

testify

contest

protest

verify

prove

proof

base

base

baseline

basic

basis

foundation

end

endless

deadline

infinite

different

different

differ

difference

differentiate

distinction

distinctive

distinctiveness

distinctly

distinguish

power

power

powerful

strength

strengthen

energy

energetic

dynamic

culture

culture

cultivate

civil

civilisation

civility

civilian