-f and -fe
life
lives
bus
buses
city
cities
boy
boys
man
men
leaf
leaves
ax
axes
baby
babies
valley
valleys
ox
oxen
hoof
hooves
buzz
buzzes
penny
pennies
day
days
sheep
sheep
wife
wives
church
churches
charity
charities
turkey
turkeys
child
children
calves
peach
peaches
company
companies
kidney
kidneys
goose
geese