appropriately vs duly

appropriately and duly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
appropriately	No	No	No	Yes
duly	No	No	No	Yes

As adverbs, appropriately and duly are synonyms defined as:

appropriately and duly: in accordance with what is appropriate or suitable for the circumstances

Other synonyms of appropriately include befittingly, fitly, fittingly, properly, suitably.

appropriately (adverb)	duly (adverb)
in accordance with what is appropriate or suitable for the circumstances	in accordance with what is appropriate or suitable for the circumstances