donative - efficient cause
- economic strike
- economic theory of law
- economic torts
- economic use
- economic value added
- economic, technical or organisational reason
- economical
- economical of space
- economical of words
- economically imprudent
- economicalness
- economics
- economize
- economizing
- economy
- economy-minded
- ECP
- ECPA
- ecphonesis
- ECSC