hardy vs sturdy

hardy and sturdy both are adjectives.

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

As adjectives, hardy and sturdy are synonyms defined as:

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

Other synonyms of hardy include stalwart, stout.

hardy (adjective)	sturdy (adjective)
invulnerable to fear or intimidation	not making concessions
having rugged physical strength; inured to fatigue or hardships	having rugged physical strength; inured to fatigue or hardships
able to survive under unfavorable weather conditions	substantially made or constructed