- equipageEquipment or supplies, especially military ones.
- equisetumA horsetail (plant of genus Equisetum)
- equiphileOne who loves horses.
- equivorousThat eats horsemeat.
- ferroequinologistA student of ferroequinology; a person who studies trains as a hobby.
- ferroequinologyThe study of railways in general, but especially locomotives.