Verses with the word forgetfulness in the Apocrypha (4 verses):

Wisdom of Solomon 14:26
Disquieting of good men, forgetfulness of good turns, defiling of souls, changing of kind, disorder in marriages, adultery, and shameless uncleanness.

Wisdom of Solomon 16:11
For they were pricked, that they should remember thy words; and were quickly saved, that not falling into deep forgetfulness, they might be continually mindful of thy goodness.

Wisdom of Solomon 17:3
For while they supposed to lie hid in their secret sins, they were scattered under a dark veil of forgetfulness, being horribly astonished, and troubled with [strange] apparitions.

Sirach 11:25
In the day of prosperity there is a forgetfulness of affliction: and in the day of affliction there is no more remembrance of prosperity.