The past tense of "predilection" is "predilected."

Enchondroma is a benign bone tumour that has predilection for the base of the skull

He has predilection for collecting stamps.

The word 'predilection' is a noun. An example of a sentence using the word would be: He was known for having a strong predilection for young women.

Predilection means to have a partiality or disposition in favor of something; a preference. For example: My best friend Suzie has a predilection for designer handbags.