treatise

As a proper noun tome

is thomas (given name).

As a noun treatise is

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

As nouns the difference between epistle and treatise

is that epistle is a letter, or a literary composition in the form of a letter while treatise is a formal, usually lengthy, systematic discourse on some subject.

As a verb epistle

is (obsolete) to write; to communicate in a letter or by writing.

As a noun treatise

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

As an adjective undefined is

lacking a definition or value.

As nouns the difference between treatise and discussion

is that treatise is a formal, usually lengthy, systematic discourse on some subject while discussion is conversation or debate concerning a particular topic.

District is a related term of treatise.

As a proper noun district

is (with determiner|informal) the district of columbia, the federal district of the united states.

As a noun treatise is

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

Attempt is a related term of treatise.

As nouns the difference between attempt and treatise

is that attempt is the action of trying at something while treatise is a formal, usually lengthy, systematic discourse on some subject.

As a verb attempt

is to try.

As nouns the difference between treatise and null

is that treatise is a formal, usually lengthy, systematic discourse on some subject while null is zero, nil; the cardinal number before einn.

As nouns the difference between treatise and chapter

is that treatise is a formal, usually lengthy, systematic discourse on some subject while chapter is one of the main sections into which the text of a book is divided.

As a verb chapter is

to divide into chapters.

As nouns the difference between treatise and wean

is that treatise is a formal, usually lengthy, systematic discourse on some subject while wean is (scotland) a small child.

As a verb wean is

to cease giving milk to an offspring; to accustom and reconcile (a child or young animal) to a want or deprivation of mother's milk; to take from the breast or udder.