Brethren is a synonym of kinship.
As nouns the difference between kinship and brethren
is that kinship is relation or connection by blood, marriage or adoption while brethren is plural of lang=en.
As an adjective Brethren is
of or pertaining to any religious group that uses or formerly used the word "Brethren", capitalized, in referring to itself or its members.
kinship
English
Noun
(
wikipedia kinship)
(
en noun)
relation or connection by blood, marriage or adoption
relation or connection by nature or character
Anagrams
*
brethren
English
Noun
(head)
(archaic)
(figuratively) the body of members, especially of a fraternal, religious or military order
Usage notes
The plural "brethren" is generally used for members of an organization, especially a religious body, whereas the plural "brothers" is used in the familial sense as well as for larger groups.
See also
* Brethren
* brother
* sistren and nun
* friar and frater or father
* brotherhood, sisterhood
* fraternity
* siblings