As adjectives the difference between existent and subsistent
is that existent is existing; having life or being, current; occurring now while subsistent is actually existing.
As a noun existent
is a being or entity that exists independently.
existent
English
Adjective
(-)
existing; having life or being, current; occurring now
Synonyms
* existing
Antonyms
* nonexistent
Related terms
* exist
* existence
* existential
* extant
Noun
(
en noun)
(archaic) a being or entity that exists independently
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subsistent
English
Related terms
* subsist
* subsistence