The Italian term "disprezzare, trascurare" matches the English term "disdain"

other italian words that include "disprezzare" : english :
disprezzare despise
disprezzare dispise
disprezzare, vilipendi, scherno scorn
other italian words that include "trascurare" : english :
disubbidire, trascurare disobey
trascurare disregard
omettere, omettere, trascurare omit