cereal, serial
cereal means breakfast food
serial means arranged in a series

cession, session
cession means part of an insurance risk which is transferred
session means a period devoted to a particular activity

chance, chants
chance means an opportunity
chants means singing done without instruments and harmony

cellar, seller
cellar means a basement
seller means one who sells

censor, sensor
censor means a container for burning incense
sensor means a device that senses

cent, scent, sent
cent means a coin worth 1/100 of a dollar
scent means an odor trail
sent means past tense of send

cede, seed
cede means to give away
seed means to hold in reserve for future growth

ceiling, sealing
ceiling means the surface that bounds the upper limit of a room
sealing means the action of placing a seal on something

cell, sell
cell means a room in a jail
sell means to exchange for money

carat, carrot, caret, karat
carat means a unit of weight for precious stones
carrot means a root vegetable
caret means the character printed when shift+6 is pressed on a keyboard
karat means a measure of the purity of gold

carol, carrel
carol means a song of joy
carrel means a library study cubicle

cast, caste
cast means a stiff support for a broken limb
caste means a hereditary social class

cache, cash
cache means a store of things that will be required in future
cash means money in the form of bills or coins

callous, callus
callous means emotionally hardened
callus means a hardened area of skin

cannon, canon
cannon means a weapon that is basically a very large gun
canon means a generally accepted principle

browse, brows
browse means to casually scan
brows means more than one eyebrow

but, butt
but means excluding
butt means buttocks

buy, by, bye
buy means to purchase
by means beside
bye means goodbye

brews, bruise
brews means multiple beers
bruise means a purplish area on skin due to injury

bridle, bridal
bridle means headgear for a horse
bridal means pertaining to a bride

broach, brooch
broach means to begin discussion about something
brooch means a piece of women’s jewelry with a pin to fasten it to clothes

brake, break
brake means a device used to stop a vehicle
break means to separate something into parts not easily reassembled

bread, bred
bread means a food made from grain
bred is the past tense of breed

brewed, brood
brewed is the past tense of brew, as in brewing tea
brood means a group of small birds hatched at one time by the same mother

bough, bow
bough means a branch of a tree
bow means to bend forward at the waist

bouillon, bullion
bouillon means clear broth
bullion means a bulk quantity of precious metal

boy, buoy
boy means a young male
buoy means a warning object floating in water

bode, bowed
bode means to indicate by signs, as future events
bowed is the past tense of bow

bolder, boulder
bolder means more bold
boulder means a large rock

born, borne
born means to have been given birth
borne means to be carried