institution

In obsolete terms the difference between penitentiary and institution

is that penitentiary is an officer in some dioceses since 1215, vested with power from the bishop to absolve in cases reserved to him while institution is that which institutes or instructs; a textbook or system of elements or rules.

As nouns the difference between penitentiary and institution

is that penitentiary is a state or federal prison for convicted felons while institution is an established organisation, especially one dedicated to education, public service, culture or the care of the destitute, poor etc.

As an adjective penitentiary

is of or relating to penance; penitential.

In obsolete terms the difference between institution and rule

is that institution is that which institutes or instructs; a textbook or system of elements or rules while rule is conduct; behaviour.

As nouns the difference between institution and rule

is that institution is an established organisation, especially one dedicated to education, public service, culture or the care of the destitute, poor etc while rule is a regulation, law, guideline.

As a verb rule is

to regulate, be in charge of, make decisions for, reign over.

As nouns the difference between platform and institution

is that platform is a raised stage from which speeches are made and on which musical and other performances are made while institution is institution.

As a verb platform

is to furnish with or shape into a.

As nouns the difference between institution and apparatus

is that institution is an established organisation, especially one dedicated to education, public service, culture or the care of the destitute, poor etc while apparatus is the entirety of means whereby a specific production is made existent or task accomplished.

As nouns the difference between institution and forum

is that institution is institution while forum is forum.

As a noun institution

is institution.

As a verb represent is

to present again or anew; to present by means of something standing in the place of; to exhibit the counterpart or image of; to typify.

As nouns the difference between regulator and institution

is that regulator is governor (device) while institution is institution.

As nouns the difference between prison and institution

is that prison is a place of long-term confinement for those convicted of serious crimes, or otherwise considered undesirable by the government while institution is an established organisation, especially one dedicated to education, public service, culture or the care of the destitute, poor etc.

As a verb prison

is to imprison.

As nouns the difference between unit and institution

is that unit is a standard measure of a quantity while institution is an established organisation, especially one dedicated to education, public service, culture or the care of the destitute, poor etc.

As an adjective unit

is for each unit.

As nouns the difference between convention and institution

is that convention is a meeting or gathering while institution is an established organisation, especially one dedicated to education, public service, culture or the care of the destitute, poor etc.