All 5 Uses

subsist
in
Pride and Prejudice
(Edited)

Will it not be advisable, before we proceed on this subject, to arrange with rather more precision the degree of importance which is to appertain to this request, as well as the degree of intimacy subsisting between the parties?
p. 49.6

subsisting = existing
The disagreement subsisting between yourself and my late honored father always gave me much uneasiness, and since I have had the misfortune to lose him, I have frequently wished to heal the breach; but for some time I was kept back by my own doubts, fearing lest it might seem disrespectful to his memory for me to be on good terms with anyone with whom it had always pleased him to be at variance.
p. 61.6
Between Elizabeth and Charlotte there was a restraint which kept them mutually silent on the subject; and Elizabeth felt persuaded that no real confidence could ever subsist between them again.
p. 125.9 *

subsist = exist

editor's notes: Charlotte's acceptance of Mr. Collins creates a lasting barrier between her and Elizabeth. They remain friendly, even affectionate, but can no longer be fully candid about love and marriage.
Between the two eldest and herself especially, there subsisted a particular regard.
p. 137.8

subsisted = existed
She was even sensible of some pleasure, though mixed with regret, on finding how steadfastly both she and her uncle had been persuaded that affection and confidence subsisted between Mr. Darcy and herself.
p. 309.5

Definitions:

(1) (subsist)
to survive or exist -- especially without being able to manage comforts or luxuries
(2) (meaning too rare to warrant focus)