vertical vs jamb

vertical and jamb both are nouns.

Word	Noun	Adjective	Verb	Adverb
vertical	Yes	Yes	No	No
jamb	Yes	No	No	No

As nouns, jamb is a hyponym of vertical; that is, jamb is a word with a more specific, narrower meaning than vertical:

vertical: a vertical structural member as a post or stake
jamb: upright consisting of a vertical side member of a door or window frame

Other hyponyms of vertical include column, pillar, post, scantling, stud, scape, shaft, stile.

vertical (noun)	jamb (noun)
a vertical structural member as a post or stake	upright consisting of a vertical side member of a door or window frame
something that is oriented vertically

vertical (adjective)	jamb (adjective)
at right angles to the plane of the horizon or a base line
upright in position or posture
relating to or involving all stages of a business from production to distribution
of or relating to different levels in a hierarchy (as levels of social class or income group)