1 to forget

2 to overlook

3 to neglect

1 to forget

1 to fall

2 to drop

3 to lag behind

4 to lose

5 to go missing

6 to reduce

7 fall (in prices)

8 to lose (value, weight etc)

9 to wag

10 to swing

11 to turn

12 to change

13 to exchange

14 to swap

15 to show off

16 to shed (hair)

17 (used after certain verbs to express completion, fulfillment, removal etc)

1 to lose

2 to throw away

3 to discard

4 to cast away

1 forgetful

1 for the common good and forgetting personal interests (idiom); to behave altruistically

2 selfless

1 don't forget past events, they can guide you in future (idiom); benefit from past experience

1 Drinking the water of a well, one should never forget who dug it. (idiom)

1 there is no such thing as a free lunch (idiom)

1 a meat pie falls from the sky (idiom)

2 to have something fall into your lap