loaded down vs burdened

loaded down and burdened both are adjectives.

Word	Noun	Adjective	Verb	Adverb
loaded down	No	Yes	No	No
burdened	No	Yes	No	No

As adjectives, loaded down and burdened are synonyms defined as:

Other synonyms of loaded down include heavy-laden.

loaded down (adjective)	burdened (adjective)
heavily burdened with work or cares	bearing a heavy burden of work or difficulties or responsibilities
bearing a physically heavy weight or load	bearing a physically heavy weight or load