wall vs header

wall and header both are nouns.

Word	Noun	Adjective	Verb	Adverb
wall	Yes	No	Yes	No
header	Yes	No	No	No

wall (noun)	header (noun)
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure	(soccer) the act of hitting the ball with your head
an embankment built around a space for defensive purposes	a headlong jump (or fall)
a masonry fence (as around an estate or garden)	a machine that cuts the heads off grain and moves them into a wagon
a layer of material that encloses space	a framing member crossing and supporting the ends of joists, studs, or rafters so as to transfer their weight to parallel joists, studs, or rafters
(anatomy) a layer (a lining or membrane) that encloses a structure	brick that is laid sideways at the top of a wall
anything that suggests a wall in structure or function or effect	horizontal beam used as a finishing piece over a door or window
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)	a line of text serving to indicate what the passage below it is about
a difficult or awkward situation

wall (verb)	header (verb)
surround with a wall in order to fortify