defect of speech vs disorder

defect of speech and disorder both are nouns.

Word	Noun	Adjective	Verb	Adverb
defect of speech	Yes	No	No	No
disorder	Yes	No	Yes	No

As nouns, disorder is a hypernym of defect of speech; that is, disorder is a word with a broader meaning than defect of speech:

defect of speech: a disorder of oral speech
disorder: a physical condition in which there is a disturbance of normal functioning

Other hypernyms of defect of speech include upset.

defect of speech (noun)	disorder (noun)
a disorder of oral speech	a disturbance of the peace or of public order
	a condition in which things are not in their expected places
	a physical condition in which there is a disturbance of normal functioning

defect of speech (verb)	disorder (verb)
	bring disorder to
	disturb in mind or make uneasy or cause to be worried or alarmed