approaching

ascend

ascending

boomy

climb

creak

creaky

descend

down

downwards

echo

flight

floor

floorboard

foot

footstep

footwear

going

grate

indoors

marching

movement

old

pace

pacing

pass

passby

rise

run

rung

scale

screech

shoe

squeak

stair

stairway

stairwell

stamp

step

stomp

strut

thump

tramp

tread

up

upwards

walking

wood

wooden

go

march

ring

walk