Some of these we've mentioned, but not all. I laboriously lifted them from another site, but I've butchered it so much that I think it's ok to just paste here my butcherings. I've put question marks after ones I haven't heard:
in bare feet brings to mind: barefoot and pregnant
on foot
footrest
footsore (adj)
footway (?)
footwear
my foot! (?)
ten feet tall
the boot is on the other foot
to foot it (Is this like "to hoof it," meaning to hurry?)
to be on one's feet
to be on one's feet again
to cut the ground from under
somebody's feet
to drag one's feet
to fall/land on one's feet
to find one's feet (?)
to get off on the wrong foot often a consequence of foot-in-mouth disease
to get to one's feet (?)
to get a foot in the door
to get cold feet
to have feet of clay
to have both feet on the ground
to have one foot in the grave
to have the ball at one's feet
to have two left feet
to let the grass grow under one's feet
to keep one's feet (?)
to put a foot wrong (?--foot-in-mouth disease again?)
to put one's best foot forward
to put one's feet up
to put one's foot in it
to put one's foot down
to set foot (?)
to sit at somebody's feet
to stand on one's own two feet
to walk somebody off their feet sounds alluring
Feet reguards,
WordBlister