Arabian fits your criteria.
abandon
Gene Autry's horse was a morgan/quarter horse. Roy Rogers horse is a Quarter Horse/Tennessee Walking Horse.
garages
Amassed
unscrew
Address!
abscondabridgeactressagelessagonizeaimlessairportanswersanglinganklingappriseappealsappliedapprovearmholearticlearrangeartworkaspiredassuredastoundassuageaverageavoidedawesomeawkward
Youtube
A muscle is a 7 letter word that starts with m and helps you run fast.
Ability is a 7 letter word.
chaotic
falloff