almost vs nearly

almost and nearly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
almost	No	No	No	Yes
nearly	No	No	No	Yes

As adverbs, almost and nearly are synonyms defined as:

almost and nearly: (of actions or states) slightly short of or not quite accomplished; all but

Other synonyms of almost include about, most, near, nigh, virtually, well-nigh.

almost (adverb)	nearly (adverb)
(of actions or states) slightly short of or not quite accomplished; all but	(of actions or states) slightly short of or not quite accomplished; all but
	in a close manner