different between fondness vs predisposition

English

From Middle English fondnes, fondnesse, fonnednesse, equivalent to fond +? -ness.

fondness (countable and uncountable, plural fondnesses)

The quality of being fond: liking something, foolishness; doting affection; propensity.
- 1927-29, M.K. Gandhi, The Story of My Experiments with Truth, translated 1940 by Mahadev Desai, Part I, Chapter xvii:
  I stopped taking the sweets and condiments I had got from home. The mind having taken a different turn, the fondness for condiments wore away, and I now relished the boiled spinach which in Richmond tasted insipid, cooked without condiments. Many such experiments taught me that the real seat of taste was not the tongue but the mind.

pre- +? disposition

predisposition (countable and uncountable, plural predispositions)

the state of being predisposed or susceptible to something, especially to a disease or other health problem

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