ruler

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 a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As nouns the difference between guage and ruler

is that guage is 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 duel and ruler

is that duel is arranged, regular combat between two private persons, often over a matter of honor 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 verb duel

is to engage in a battle.

As nouns the difference between regal and ruler

is that regal is shelf 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 initiator and ruler

is that initiator is initiator 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 ruthless is

without pity or compassion; cruel, pitiless.

As nouns the difference between ruler and authoritarian

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 authoritarian is one who commands absolute obedience to his or her authority.

As an adjective authoritarian is

of, or relating to, absolute obedience to an authority.

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.