deficiencies
Webster's Dictionary (GCIDE)
Deficiency \De*fi"cien*cy\, n.; pl. Deficiencies. [See Deficient.] The state of being deficient; inadequacy; want; failure; imperfection; shortcoming; defect. "A deficiency of blood." --Arbuthnot. [1913 Webster]
[Marlborough] was so miserably ignorant, that his deficiencies made him the ridicule of his contemporaries. --Buckle. [1913 Webster]
Deficiency of a curve (Geom.), the amount by which the number of double points on a curve is short of the maximum for curves of the same degree. [1913 Webster]