The Italian term "rilassare, diminuire" matches the English term "abate"

other italian words that include "rilassare" : english :
ridurre, rilassare, degradare abandon ship
rilassare relax
rilassare, rilassare slacken
other italian words that include "diminuire" : english :
rimpicciolire, diminuire diminish
diminuire, ridurre, rimpicciolire, degradare reduce