defensive attitude vs attitude

defensive attitude and attitude both are nouns.

Word	Noun	Adjective	Verb	Adverb
defensive attitude	Yes	No	No	No
attitude	Yes	No	No	No

As nouns, attitude is a hypernym of defensive attitude; that is, attitude is a word with a broader meaning than defensive attitude:

defensive attitude: an attitude of defensiveness
attitude: a complex mental state involving beliefs and feelings and values and dispositions to act in certain ways

Other hypernyms of defensive attitude include mental attitude.

defensive attitude (noun)	attitude (noun)
an attitude of defensiveness	a theatrical pose created for effect
	the arrangement of the body and its limbs
	a complex mental state involving beliefs and feelings and values and dispositions to act in certain ways
	position of aircraft or spacecraft relative to a frame of reference (the horizon or direction of motion)