Question

what is the difference between ignore and neglect

Answer 1

ignore is to pay no attention.
neglect means fail to do what is necessary.
example if you neglect a plant it will die of thirst ,if you ignore it it will still be fine.

Answer 2

ignore -refuse to take notice of or acknowledge. It is by intent.neglect - fail to care for properly. It implies that it is sth that you would have done