sturdy vs stout

sturdy is not a noun while stout is a noun.

Word	Noun	Adjective	Verb	Adverb
sturdy	No	Yes	No	No
stout	Yes	Yes	No	No

As adjectives, sturdy and stout are synonyms defined as:

sturdy and stout: having rugged physical strength; inured to fatigue or hardships

Other synonyms of sturdy include hardy, stalwart.

sturdy (noun)	stout (noun)
	a garment size for a large or heavy person
	a strong very dark heavy-bodied ale made from pale malt and roasted unmalted barley and (often) caramel malt with hops

sturdy (adjective)	stout (adjective)
not making concessions	euphemisms for `fat'
having rugged physical strength; inured to fatigue or hardships	dependable
substantially made or constructed	having rugged physical strength; inured to fatigue or hardships