achieve
aggrieve
bas-relief
belief
believe
conceit
conceivable
conceive
deceit
deceitful
deceive
disbelief
disbelieve
grief
grieve
inconceivable
lief
lieve
misbelief
misconceive
perceive
preconceive
receipt
receive
relief
relieve
relievo
reprieve
retrieve
sieve
thief
thieve
unbelief
unbeliever
undeceive
* * * * *
_Plurals of Nouns which change F or FE into VES._
beeves
calves
elves
halves
knives
leaves
lives
loaves
selves
sheaves
shelves
thieves
tipstaves
wharves
wives
wolves
All other nouns ending in _ff_ conform to Rule X. Wharfs prevails in
Great Britain, wharves in America.
_Plurals of Nouns ending in F or FE which accept of S only in the Plural._
briefs
chiefs
fiefs
griefs
mischiefs
kerchiefs
neckerchiefs
handkerchiefs
caliphs
caufs
clefs
coifs
delfs
dwarfs
turfs
kerfs
surfs
fifes
strifes
safes
scarfs
waifs
woofs
hoofs
roofs
proofs
reproofs
disproofs
waterproofs
beliefs
reliefs
gulfs
_Plurals of Nouns ending in EAU, IEU, and OU._
beaux
bureaux
chapeaux
chateaux
flambeaux
plateaux
rondeaux
jets d’eau
portmanteaus
purlieus
adieux
batteaux
bijoux
morceaux
rouleaux
tableaux
A number of these nouns admits of two forms in the plural.