different between persistence vs immutability

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).

From Middle French immutabilité, from Latin immutabilitas

immutability (usually uncountable, plural immutabilities)

immutability in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
immutability in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

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