different between abandoning vs dereliction

English

abandoning

Present participle and gerund of abandon.
Many have been abandoning their homes due to the violence. (progressive)
Their abandoning their homes means no tax revenues for the county. (gerund)
An abandoning husband can be a precursor to bankruptcy. (participial adjective)

abandoning (plural abandonings)

From Latin d?relicti? (“neglect, abandonment”), from d?relinqu? (“I neglect, abandon”), from d?- + re- + linqu? (“I leave”).

dereliction (countable and uncountable, plural derelictions)

Willful neglect of one's duty.
The act of abandoning something, or the state of being abandoned.
- 1650, Jeremy Taylor, The Rule and Exercises of Holy Living
  To this we must contend with prayer , with actual dereliction and seposition of all our other affairs
Land gained from the water by a change of water-line.

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