thinly vs lightly

thinly and lightly both are adverbs.

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

As adverbs, thinly and lightly are synonyms defined as:

thinly (adverb)	lightly (adverb)
without viscosity	with little weight or force
in a small quantity or extent	indulging with temperance
in a widely distributed manner	with few burdens
without force or sincere effort	in a small quantity or extent
	with indifference or without dejection
	to a slight degree
	without good reason