Traveling on foot is known as a Trek.
hoof
foot
Trek!
vacation hawia uhh a tour or a trek.
unit
shoe, sock, skin
unit
foot
Trip? Trek? Tour? Rove? I am not sure, but these are what I looked up so...
drop, dive, sink, trip, slip, fade, fail
Trip, tumble or stumble.
A four letter word starting with the letter a is able.