Zero
Hero
Herd
Heed
Seed
Sped
Aped
Apes
Aces
Ices
Ides
Odes
Ones

(Good one, Rose!)

Change "dome" to "twin".

(Thank you!)

Dome
Dose
Pose
Post
Pest
Peat
Seat
Seam
Swam
Swim
Swig
Twig
Twin

Change "leaf" to "drop".

Leaf
Leak
Leek
Peek
Peep
Prep
Prop
Drop

Change "rest" to "eyes".

Rest
Fest
Feet
Feel
Fell
Fill
Fils
Ails
Awls
Awes
Ayes
Eyes

Good one!

Change "five" to "pips".

Five
Dive
Dike
Pike
Pipe
Pips

Change "cats" to "dogs".

Cats
Cots
Cogs
Dogs

Change "flip" to "page."

Flip
Flit
Flat
Feat
Peat
Peas
Pegs
Pigs
Rigs
Rags
Rage
Page

Change "snub" to "buns".

Snub
Slub
Slab
Slam
Seam
Seas
Peas
Peat
Pest
Past
Pass
Puss
Puns
Buns

Change "hope" to "pray".

Hope
Mope
Mole
Male
Malt
Melt
Meat
Teat
Team
Tram
Pram
Pray

Change "chap" to "girl".

Chap
Chip
Ship
Slip
Slim
Slam
Seam
Seal
Teal
Tell
Tall
Tale
Tare
Tire
Dire
Dirl <-- Scottish-origin word meaning "to vibrate".
Girl

Change "weal" to "ewes".

Weal
Well
Weld
Weed
Seed
Sped
Aped
Apes
Aces
Ices
Ides
Odes
Owes
Ewes

Change "folk" to "grip".

Folk
Fork
Form
Foam
Roam
Room
Root
Boot
Boat
Brat
Bran
Gran
Grin
Grip

Change "both" to "ways".

Both
Bath
Bats
Bays
Ways

Change "sing" to "flat".

Sing
Ping
Pine
Pint
Pent
Peat
Plat
Flat

Change "ring" to "true".

Ring
Rind
Find
Fend
Feed
Fled
Flee
Free
Tree
True

Change "deck" to "ship".