New posts in possessives

What is the correct syntax for a plural possessive of a word already ending in s? [duplicate]

"Hidden layer sizes" vs "Hidden layers sizes" [duplicate]

"Each person's car" vs. "each persons' car" [closed]

How do you make a word like "parent(s)" possessive? [duplicate]

Is it "John or Mary's house" or "John's or Mary's house"?

apostrophe that goes with a noun which precedes a relative clause

Is it ok to omit a possessive apostrophe before a capitalized appellation (President, country name, VP, PM)?

Using "who" for things (nonliving beings)

What is the correct usage of the word "Cartesian"?

"Your" vs. "you're": Why the confusion?

When did it become incorrect to use apostrophes with possessive pronouns?

What is the possessive form of a singular noun ending with a plural s?

Apostrophe for indicating possessive. How do I convince my professor? [duplicate]

Correct form of object of sentence with grouped possessive and personal pronoun?

company policy vs. company's policy [duplicate]

Possessive form of coordinated noun phrases?

What is the possessive form of "what"? [duplicate]

Can "his/her" be replaced by "his"? [closed]

"Everyone's heads" or "everyone's head"

What is the proper plural of “a series”? [closed]