As nouns the difference between taxonomy and brethren
is that taxonomy is the science or the technique used to make a classification while brethren is (in the plural|informal) any brethren denomination (usually preceded by "the" or "the").
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.
taxonomy
Noun
(taxonomies)
The science or the technique used to make a classification.
A classification; especially , a classification in a hierarchical system.
(taxonomy, uncountable) The science of finding, describing, classifying and naming organisms.
Synonyms
* alpha taxonomy
Derived terms
* folk taxonomy
* scientific taxonomy
See also
* classification
* rank
* taxon
* domain
* kingdom
* subkingdom
* superphylum
* phylum
* subphylum
* class
* subclass
* infraclass
* superorder
* order
* suborder
* infraorder
* parvorder
* superfamily
* family
* subfamily
* genus
* species
* subspecies
* superregnum
* regnum
* subregnum
* superphylum
* phylum
* subphylum
* classis
* subclassis
* infraclassis
* superordo
* ordo
* subordo
* infraordo
* taxon
* superfamilia
* familia
* subfamilia
* ontology
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