As a noun treatise

is a formal, usually lengthy, systematic discourse on some subject.

As an adjective forequoted is

cited before; quoted in an earlier part of the treatise or essay.

As a noun nun

is a member of a Christian religious community of women who live by certain vows and usually wear a habit, in some cases living together in a cloister.

As a proper noun Nun

is a given name derived from Hebrew.

As an adjective nunnish is

of, pertaining to, or resembling a nun.

Nunnish is a synonym of nunlike.

As adjectives the difference between nunlike and nunnish

is that nunlike is resembling a nun or some aspect of one while nunnish is of, pertaining to, or resembling a nun.

Nunnish is a related term of nunnishness.

Nunnishness is likely misspelled.

Nunnishness has no English definition.

As an adjective nunnish is

of, pertaining to, or resembling a nun.

As a verb disarticulate

is to disjoint.

As a noun disarticulator is

one who disarticulates and prepares skeletons.

As nouns the difference between skeleton and disarticulator

is that skeleton is the system that provides support to an organism, internal and made up of bones and cartilage in vertebrates, external in some other animals while disarticulator is one who disarticulates and prepares skeletons.

As a verb skeleton

is to reduce to a skeleton; to skin; to skeletonize.

As nouns the difference between substance and peptogen

is that substance is physical matter; material while peptogen is any substance convertible into peptone.

As nouns the difference between convertible and peptogen

is that convertible is a car whose roof can be removed or folded while peptogen is (physiology) any substance convertible into peptone.

As an adjective convertible

is able to be converted.

As nouns the difference between peptone and peptogen

is that peptone is (biochemistry) any water-soluble mixture of polypeptides and amino acids formed by the partial hydrolysis of protein while peptogen is (physiology) any substance convertible into peptone.

As nouns the difference between transubstantiation and transelementation

is that transubstantiation is conversion of one substance into another while transelementation is transubstantiation.