ducal

As adjectives the difference between ducal and principal

is that ducal is of or pertaining to a duke, a duchess, or the duchy or dukedom they hold while principal is principal, main.

As an adjective ducal

is of or pertaining to a duke, a duchess, or the duchy or dukedom they hold.

As a noun region is

region; area.

As adjectives the difference between dunal and ducal

is that dunal is pertaining to or consisting of dunes while ducal is of or pertaining to a duke, a duchess, or the duchy or dukedom they hold.

As adjectives the difference between ducal and mucal

is that ducal is of or pertaining to a duke, a duchess, or the duchy or dukedom they hold while mucal is mucous, mucosal: of or pertaining to mucus or the production thereof.

As adjectives the difference between ducal and dural

is that ducal is of or pertaining to a duke, a duchess, or the duchy or dukedom they hold while dural is (anatomy) relating to the dura mater.

As an adjective ducal

is of or pertaining to a duke, a duchess, or the duchy or dukedom they hold.

As a noun decal is

a design or picture produced in order to be transferred to another surface either permanently or temporarily.

As adjectives the difference between ducal and ductal

is that ducal is of or pertaining to a duke, a duchess, or the duchy or dukedom they hold while ductal is (anatomy) of, relating to, or originating in a duct.

As a noun ducat

is (historical) a gold coin minted by various european nations.

As an adjective ducal is

of or pertaining to a duke, a duchess, or the duchy or dukedom they hold.

As a noun dual

is dual.

As an adjective ducal is

of or pertaining to a duke, a duchess, or the duchy or dukedom they hold.