loaded down vs weighed down

loaded down and weighed down both are adjectives.

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

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

Other synonyms of loaded down include bowed down, overburdened.

loaded down (adjective)	weighed down (adjective)
heavily burdened with work or cares	heavily burdened with work or cares
bearing a physically heavy weight or load	full of; bearing great weight