The Italian term "diminuire, ridurre, rimpicciolire, degradare" matches the English term "reduce"

other italian words that include "diminuire" : english :
rilassare, diminuire abate
rimpicciolire, diminuire diminish
other italian words that include "ridurre" : english :
ridurre, rilassare, degradare abandon ship
accorciare, abbreviare, ridurre abbreviate
other italian words that include "rimpicciolire" : english :
rimpicciolire, diminuire diminish
rimpicciolire lessen