Building Vocabulary Online Practice

Complete this assessment to review what you’ve learned. It will not count toward your grade.
8 of 98 of 9 Items

Question
Use the words to answer the question.

ecology, economical, economy

Which is the common root in these words?

(1 point)
Responses

ogy
ogy

y
y

com
com

eco

1 answer

The common root in the words "ecology," "economical," and "economy" is "eco."