S vs cardinal compass point

S and cardinal compass point both are nouns.

Word	Noun	Adjective	Verb	Adverb
S	Yes	No	No	No
cardinal compass point	Yes	No	No	No

As nouns, cardinal compass point is a hypernym of S; that is, cardinal compass point is a word with a broader meaning than S:

S (noun)	cardinal compass point (noun)
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work	one of the four main compass points
the 19th letter of the Roman alphabet
a unit of conductance equal to the reciprocal of an ohm
the cardinal compass point that is at 180 degrees
an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)