fatal vs peccant

fatal

• Causing death or destruction. 

• Causing a sudden end to the running of a program. 

• Proceeding from, or appointed by, fate or destiny. 

• Foreboding death or great disaster. 

• A fatality; an event that leads to death. 

• A fatal error; a failure that causes a program to terminate. 

peccant

• Wrong; defective; faulty. 

• Sinful.