foot vs structure

foot and structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
foot	Yes	No	Yes	No
structure	Yes	No	Yes	No

foot (noun)	structure (noun)
travel by walking	a thing constructed; a complex entity constructed of many parts
any of various organs of locomotion or attachment in invertebrates	the manner of construction of something and the arrangement of its parts
the pedal extremity of vertebrates other than human beings	a particular complex anatomical part of a living thing and its construction and arrangement
lowest support of a structure	the complex composition of knowledge as elements and their combinations
a support resembling a pedal extremity	the people in a society considered as a system organized by a characteristic pattern of relationships
the part of the leg of a human being below the ankle joint
(prosody) a group of 2 or 3 syllables forming the basic unit of poetic rhythm
an army unit consisting of soldiers who fight on foot
the lower part of anything
a member of a surveillance team who works on foot or rides as a passenger
a linear unit of length equal to 12 inches or a third of a yard