Econ-o-my: noun [from Greek oikonomos, household manager] (1) archaic: the management of household affairs, especially expenses (2) thrifty and efficient use of resources; frugality in expenditures (3) the structure of economic life in an area or a period; an economic system.
Ecol-o-gy: noun [from German ökologie, study of habitat] (1) a branch of science concerned with the interrelationship of organisms and their environment (2) the totality or pattern of relations between organisms and their environment.
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