gently vs lightly

gently and lightly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
gently	No	No	No	Yes
lightly	No	No	No	Yes

As adverbs, gently and lightly are synonyms defined as:

Other synonyms of gently include softly.

gently (adverb)	lightly (adverb)
gradually	with little weight or force
in a gentle manner	indulging with temperance
with little weight or force	with few burdens
	in a small quantity or extent
	with indifference or without dejection
	to a slight degree
	without good reason