radius vs bicycle wheel

radius and bicycle wheel both are nouns.

Word	Noun	Adjective	Verb	Adverb
radius	Yes	No	No	No
bicycle wheel	Yes	No	No	No

radius (noun)	bicycle wheel (noun)
support consisting of a radial member of a wheel joining the hub to the rim	the wheel of a bicycle
the length of a line segment between the center and circumference of a circle or sphere
the outer and slightly shorter of the two bones of the human forearm
a circular region whose area is indicated by the length of its radius
a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)