Plurals for words in f or fe Group 1 Word roots Electric Electricity Electrician Electrical Mechanic Mechanical Mechanise Mechanism Meteor Meteorology Meteoric Meteorite Prison Prisoner Imprisoned imprisonment Group 1 Word roots Electric Electricity Electrician Electrical Mechanic Mechanical Mechanise Mechanism Meteor Meteorology Meteoric Meteorite Prison Prisoner Imprisoned imprisonment Group B Plurals for words in f or fe Life Lives Thief Thieves Scarf Scarves Knife Knives Loaf Loaves Leaf Leaves Self Selves Sheaf sheaves Group 1 Word roots Electric Electricity Electrician Electrical Mechanic Mechanical Mechanise Mechanism Meteor Meteorology Meteoric Meteorite Prison Prisoner Imprisoned imprisonment Group 1 Word roots Electric Electricity Electrician Electrical Mechanic Mechanical Mechanise Mechanism Meteor Meteorology Meteoric Meteorite Prison Prisoner Imprisoned imprisonment Group 1 Word roots Electric Electricity Electrician Electrical Mechanic Mechanical Mechanise Mechanism Meteor Meteorology Meteoric Meteorite Prison Prisoner Imprisoned imprisonment Group 1 Word roots Electric Electricity Electrician Electrical Mechanic Mechanical Mechanise Mechanism Meteor Meteorology Meteoric Meteorite Prison Prisoner Imprisoned imprisonment