Horse

Horses in the Forgotten Realms are used for riding and pulling.

Charger
A charger is a generic name for any kind of war horse.

Gelding
A gelding is a horse that has been castrated, often to make it more suitable for use in battle.

Pony
Ponies are often used as mounts by smaller humanoids like halflings or small humans.

Horsetail
Horsetail is used by various cultures, including the Azuposi of Maztica, who use it in medicines to treat colds, hay fever and asthma.