footsore

adj having sore or tired feet, esp from walking a long way 脚疼的, 脚酸的（尤指因走长路而引起的）: footsore travellers 走疼了脚的旅行者.

footage, football, football pitch, footbrake, footfall, foothill, foothold, footing, footle, footlight, footlights, footling, footloose, footman, footmark, footnote, footpath, footplate, footprint, footsie, footstep, footstool (also stool), footway, footwear, footwork, fop, foppish, for, for (the) purpose of, for a moment, for a while, for ages, for all that, for another two days, for certain, for ever, for example, for fear of, for fear that, for good,