The plural form of the noun deaconess is deaconesses.
The plural possessive form is deaconesses'.
Example: The deaconesses' daughters are in the choir.
Deaconess'
Deaconess'
Both Deaconess, or Deacon is acceptable
There are two accepted forms for possessive singular nouns ending in s:Add an apostrophe (') after the existing s at the end of the word: deaconess'Add an apostrophe s ('s) after the existing s at the end of the word: deaconess'sExamples:The deaconess' appointment is at six.The deaconess's appointment is at six.
The plural is relatives. The plural possessive is relatives'.
The plural is lads. The plural possessive is lads'.
The plural form is Mexicans. The plural possessive is Mexicans'.
The plural form is suffixes. The plural possessive is suffixes'.
The plural possessive of stepsister is stepsisters'.
The plural form is echoes. The plural possessive is echoes'.
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.
The plural possessive is pals'.
The plural possessive of bandit is bandits'.
Studies' is the plural possessive of study.