ecclesiastic

Preacher is a related term of ecclesiastic.

As a proper noun preacher

is alternative name for ecclesiastes, the twenty-first book of the old testament.

As an adjective ecclesiastic is

of or pertaining to the church; ecclesiastical.

As a noun ecclesiastic is

one who adheres to a church-based philosophy.

Ecclesiastic is a synonym of deacon.

As nouns the difference between ecclesiastic and deacon

is that ecclesiastic is one who adheres to a church-based philosophy while deacon is (church history) a designated minister of charity in the early church (see acts 6:1-6).

As an adjective ecclesiastic

is of or pertaining to the church; ecclesiastical.

As a verb deacon is

(christianity|music) for a choir leader to lead a hymn by speaking one or two lines at a time, which are then sung by the choir.

As nouns the difference between ecclesiastic and barret

is that ecclesiastic is one who adheres to a church-based philosophy while barret is a kind of cap formerly worn by soldiers.

As an adjective ecclesiastic

is of or pertaining to the church; ecclesiastical.

As adjectives the difference between ecclesiastic and nonecclesiastic

is that ecclesiastic is of or pertaining to the church; ecclesiastical while nonecclesiastic is not ecclesiastic.

As a noun ecclesiastic

is one who adheres to a church-based philosophy.