ruler

As nouns the difference between ruler and dominant

is that ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure while dominant is (music) the fifth major tone of a musical scale (five major steps above the note in question); thus g is the dominant of c, a of d, and so on.

As an adjective dominant is

ruling; governing; prevailing; controlling.

As nouns the difference between conquistador and ruler

is that conquistador is a conqueror, but especially one of the spanish soldiers that invaded central and south america in the 16th century and defeated the incas and aztecs while ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As a noun ruler

is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun ruler

is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between conquerer and ruler

is that conquerer is one who conquers while ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As nouns the difference between politician and ruler

is that politician is one engaged in politics, especially an elected or appointed government official while ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As an acronym cow

is (computing).

As a noun ruler is

a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As nouns the difference between scribbler and ruler

is that scribbler is one who scribbles; a hasty or untalented writer or artist while ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As nouns the difference between ruler and deputy

is that ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure while deputy is one appointed as the substitute of another, and empowered to act for him, in his name or his behalf; a substitute in office; a lieutenant; a representative; a delegate; a vicegerent; as, the deputy of a prince, of a sheriff, of a township, etc.

As a noun ruler

is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

As an adjective authoritative is

arising or originating from a figure of authority.