Leviticus 6:5
5 or anything about which he has sworn falsely, he shall nrestore it in full and shall oadd a fifth to it, and give it to him to whom it belongs on the day he realizes his guilt.
Leviticus 22:14
14 And if anyone eats of a holy thing unintentionally, he shall badd the fifth of its value to it and give the holy thing to the priest.
Leviticus 27:13
13 But if he wishes to redeem it, he shall dadd a fifth to the valuation.
Numbers 5:7
7 he shall kconfess his sin that he has committed.1 And he shall make full restitution for his wrong, ladding a fifth to it and giving it to him to whom he did the wrong.