finally vs at last

finally and at last both are adverbs.

Word	Noun	Adjective	Verb	Adverb
finally	No	No	No	Yes
at last	No	No	No	Yes

As adverbs, finally and at last are synonyms defined as:

Other synonyms of finally include at long last, in the end, ultimately.

finally (adverb)	at last (adverb)
as the end result of a succession or process	as the end result of a succession or process
after an unspecified period of time or an especially long delay
the item at the end