Insufficiency vs. Deficiency

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Difference Between Insufficiency and Deficiency
Insufficiencynoun
The lack of sufficiency; a shortage or inadequacy.
The troops went hungry because of the insufficiency of their supplies.Deficiencynoun
(uncountable) Inadequacy or incompleteness.
Insufficiencynoun
a lack of competence;
pointed out the insufficiencies in my reportjuvenile offenses often reflect an inadequacy in the parentsDeficiencynoun
(countable) An insufficiency, especially of something essential to health.
Insufficiencynoun
(pathology) inability of a bodily part or organ to function normally
Deficiencynoun
(geometry) The amount by which the number of double points on a curve is short of the maximum for curves of the same degree.
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Insufficiencynoun
lack of an adequate quantity or number;
the inadequacy of unemployment benefitsDeficiencynoun
(geometry) The codimension of a linear system in the corresponding complete linear system.
Deficiencynoun
the state of needing something that is absent or unavailable;
there is a serious lack of insight into the problemwater is the critical deficiency in desert regionsfor want of a nail the shoe was lostDeficiencynoun
lack of an adequate quantity or number;
the inadequacy of unemployment benefits