subsist vs survive

subsist and survive both are verbs.

Word	Noun	Adjective	Verb	Adverb
subsist	No	No	Yes	No
survive	No	No	Yes	No

As verbs, subsist and survive are synonyms defined as:

Other synonyms of subsist include exist, live.

subsist (verb)	survive (verb)
support oneself	support oneself
	continue to live and avoid dying
	continue in existence after (an adversity, etc.)
	live longer than