slip away vs go along

slip away and go along both are verbs.

Word	Noun	Adjective	Verb	Adverb
slip away	No	No	Yes	No
go along	No	No	Yes	No

As verbs, slip away and go along are synonyms defined as:

Other synonyms of slip away include elapse, glide by, go by, lapse, pass, slide by, slip by.

slip away (verb)	go along (verb)
for time to move forward	for time to move forward
leave furtively and stealthily	cooperate or pretend to cooperate
	continue a certain state, condition, or activity