What's the difference between gentlefolk and gentlefolks?

Gentlefolk

Definition:

• (n. pl.) Alt. of Gentlefolks

Example Sentences:

• (1) In truth, I did not much care for Heep, finding him a deeply aspirant member of the lower orders, but I bore myself with the dignity expected of distressed gentlefolk and treated him with a patronising contempt disguised as good manners.

Gentlefolks

Definition:

• (n. pl.) Persons of gentle or good family and breeding.

Example Sentences:

• (1) In truth, I did not much care for Heep, finding him a deeply aspirant member of the lower orders, but I bore myself with the dignity expected of distressed gentlefolk and treated him with a patronising contempt disguised as good manners.