Difference between Momma and Mammy

MOMMA vs MAMMY: NOUN

In the southern United States, a black nanny employed to look after white children.
Mamma; mother
A child's name for mamma, mother.
Same as stone-lugger, 2.
Hence In the southern United States, especially during the existence of slavery, a colored female nurse; a colored woman having the care of white children, who often continue to call her mammy after they are grown up.
Mother; mama: a childish word.
A black nursemaid, especially one formerly in the southern United States.
Mother.
Informal terms for a mother
An offensive term for a Black nursemaid in the southern U.S.

Sweetheart, Cutie, Ammi, Hussy, Mam, Mother, Mater, Mummy, Ma, Mammy, Mum, Mom, Mommy, Mamma, Mama

Life, Mother, Ammi, Maman, Granny, Mam, Mummy, Mater, Mum, Mom, Ma, Mommy, Momma, Mama, Mamma

Casserole, Maman, Sweetheart, Cutie, Ammi, Hussy, Mam, Mother, Mummy, Mammy, Mum, Mom, Mommy, Mamma, Mama

Grandma, Auntie, Life, Mother, Ammi, Maman, Granny, Mam, Mummy, Mum, Mom, Mommy, Momma, Mama, Mamma

They will take on the Momma Bear ride.
Ladies who went to church with his momma?
Yo momma so short she poses for trophies.
Momma Pretty is a women fashion wholesale company.
Yo momma so old she owes Jesus 5 dollars Yo momma so old she owes Jesus a nickel.
Yo momma like potato chips-- Fri-to Lay Yo momma like a screen door, after a couple bangs she tends to loosen up.
Hilariously funny Yo Momma Jokes Yo momma's so stupid she watched Narnia and spent the rest of the year trying to talk to rabbits.
But Big Momma's House 2 provides so many fresh occasions for hilarity: Big Momma at a spa frequented by (what else?).
What does Momma say that convinces Joey that Momma has to burn Byron?
He loves his momma, takes care of his momma and will always take care of his momma.