chasm 
/ˈkæzəm/ noun
plural chasms /ˈkæzəm/ noun [count] 1 : a deep hole or opening in the surface of the earth : gorge 2 : a major division, separation, or difference between two people, groups, etc.
▪ Leaders tried to bridge a chasm [=split, divide] between the two religious groups. ▪ a racial/cultural/economic chasm
▪ Leaders tried to bridge a chasm [=split, divide] between the two religious groups. ▪ a racial/cultural/economic chasm
