Doric order vs Dorian order

Doric order and Dorian order both are nouns.

Word	Noun	Adjective	Verb	Adverb
Doric order	Yes	No	No	No
Dorian order	Yes	No	No	No

As nouns, Doric order and Dorian order are synonyms defined as:

Doric order and Dorian order: the oldest and simplest of the Greek orders and the only one that normally has no base

Doric order (noun)	Dorian order (noun)
the oldest and simplest of the Greek orders and the only one that normally has no base	the oldest and simplest of the Greek orders and the only one that normally has no base