fitly vs fittingly

fitly and fittingly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
fitly	No	No	No	Yes
fittingly	No	No	No	Yes

As adverbs, fitly and fittingly are synonyms defined as:

fitly and fittingly: in accordance with what is appropriate or suitable for the circumstances

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

fitly (adverb)	fittingly (adverb)
in accordance with what is appropriate or suitable for the circumstances	in accordance with what is appropriate or suitable for the circumstances