Decipiency n. : State of being deceived; hallucination.

Example:


Taxonomy
deficiency, free encyclopedia, medicine, nutrient deficiencies, search, free dictionary, oxygen, mathematics, 2n, vitamins, sub-standard, minimum expectations, fire code, routinely, construction site, disambiguation pages, genetics, ability to pay.

Defination from the web:
deficiency. In construction, a deficiency is an item, or condition that is considered sub-standard, or below minimum expectations, such as those mandated by ... In genetics, a genetic deletion is also called a Deficiency. ...