Make it Plural
punch
punches
The dog’s bone was buried under the tree.
singular possessive
The (dog, dog's) leash got tangled around the fence post.
dog's – singular possessive
The dogs favorite toy is a squeaky bone.
The dog's favorite toy is a squeaky bone. → singular possessive
autopilot
auto - self
wife
wives
All the students in the class passed the math test.
plural
All the (student, students') projects were displayed on the bulletin board.
students' – plural possessive
The teachers lounge is at the end of the hallway.
The teachers' lounge is at the end of the hallway. → plural possessive
geography
geo - earth / graph - written
fox
foxes
The three girls’ backpacks were left by the door.
plural possessive
My (brother, brother's) new video game is really fun to play.
brother's – singular possessive
All the students backpacks were lined up by the door.
All the students' backpacks were lined up by the door. → plural possessive
millisecond
milli - thousand
woman
women
The teachers’ lounge is always full of coffee and snacks.
plural possessive
The (teachers, teachers') meeting lasted longer than usual today.
teachers' – plural possessive
My sisters new skateboard is bright blue.
My sister's new skateboard is bright blue. → singular possessive
telephone
phone - sound
crush
crushes
The cat’s favorite toy is a little red ball that rolls under the couch.
Singular Possessive
Both (cat, cats) are gray with white paws.
cats – plural
The players uniforms were covered in mud after the game.
The players' uniforms were covered in mud after the game. → plural possessive
microscope
micro - small