directly vs right away

directly and right away both are adverbs.

Word	Noun	Adjective	Verb	Adverb
directly	No	No	No	Yes
right away	No	No	No	Yes

As adverbs, directly and right away are synonyms defined as:

directly and right away: without delay or hesitation; with no time intervening

Other synonyms of directly include at once, forthwith, immediately, instantly, like a shot, now, straight off, straightaway.

directly (adverb)	right away (adverb)
without deviation	without delay or hesitation; with no time intervening
in a forthright manner; candidly or frankly	at once (usually modifies an undesirable occurrence)
without anyone or anything intervening
without delay or hesitation; with no time intervening