fully vs amply

fully and amply both are adverbs.

Word	Noun	Adjective	Verb	Adverb
fully	No	No	No	Yes
amply	No	No	No	Yes

As adverbs, fully and amply are synonyms defined as:

fully (adverb)	amply (adverb)
to the greatest degree or extent; completely or entirely; (`full' in this sense is used as a combining form)	to an ample degree or in an ample manner
referring to a quantity	sufficiently; more than adequately
sufficiently; more than adequately