different between persistence vs assiduity

English

From Middle French persistance

persistence (countable and uncountable, plural persistences)

The property of being persistent.
You've got to admire his persistence. He's asked her out every day for a month even though she keeps turning him down.
(computer science) Of data, the property of continuing to exist after the termination of the program.
Once written to a disk file, the data has persistence: it will still be there tomorrow when we run the next program.
(meteorology) Continuation of the previous day's weather (particularly temperature and precipitation statistics).

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “See assiduus”)

assiduity (countable and uncountable, plural assiduities)

Great and persistent toil or effort.
- 1661, John Fell, The Life of the most learned, reverend and pious Dr. H. Hammond
  During the whole time of his abode in the university he generally spent thirteen hours of the day in study; by which assiduity besides an exact dispatch of the whole course of philosophy, he read over in a manner all classic authors that are extant […]
- 1845, Jordan Roche Lynch, The Hunterian Oration (page 8)
  With the most patient assiduity he peered into the intricacies of unrevealed structure. No object was too minute, none too large, for his attention.
(in the plural) Constant personal attention, solicitous care.
- 1559, translated by Thomas Paynell: Erasmus, The Complaint of Peace (1521)
  With difficulty could man be born into the world, or as soon as born would he die, leaving life at the very threshold of existence, unless the friendly hand of the careful matron, and the affectionate assiduities of the nurse, lent their aid to the helpless babe.
- 1773, Oliver Goldsmith, She Stoops to Conquer
  I will stay even contrary to your wishes; and though you should persist to shun me, I will make my respectful assiduities atone for the levity of my past conduct.

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