insufficiency vs pathology

insufficiency and pathology both are nouns.

Word	Noun	Adjective	Verb	Adverb
insufficiency	Yes	No	No	No
pathology	Yes	No	No	No

insufficiency (noun)	pathology (noun)
lack of an adequate quantity or number	the branch of medical science that studies the causes and nature and effects of diseases
(pathology) inability of a bodily part or organ to function normally	any deviation from a healthy or normal condition
a lack of competence