One who eats human flesh?
Cannibal
A group of sheep
Flock
A person looking only to the bright side of things
Optimist
A person who only eats vegetable
Vegetarian
Ability to read and write
Literacy
A doctor who treats mental illness
Psychiatrist
A period of ten years
Decade
Difficult or impossible to read
Illegible
Not suitable to be eaten
Inedible
A sound which cannot be heard
Inaudible
