rugged vs strength

rugged is not a noun while strength is a noun.

Word	Noun	Adjective	Verb	Adverb
rugged	No	Yes	No	No
strength	Yes	No	No	No

rugged (noun)	strength (noun)
	the property of being physically or mentally strong
	an asset of special worth or utility
	permanence by virtue of the power to resist stress or force
	the amount of energy transmitted (as by acoustic or electromagnetic radiation)
	capability in terms of personnel and materiel that affect the capacity to fight a war
	physical energy or intensity
	capacity to produce strong physiological or chemical effects
	the power to induce the taking of a course of action or the embracing of a point of view by means of argument or entreaty
	the condition of financial success

rugged (adjective)	strength (adjective)
sturdy and strong in constitution or construction; enduring
having long narrow shallow depressions (as grooves or wrinkles) in the surface
very difficult; severely testing stamina or resolution
topographically very uneven