1. A lack of advertence or attention; heedlessness; an effect of inattention; an oversight.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• inadvertance,
• unadvertency,
• jnadvertency,
• knadvertency,
• onadvertency,
• 9nadvertency,
• 8nadvertency,
• ibadvertency,
• imadvertency,
• ijadvertency,
• ihadvertency,
• inzdvertency,
• inadvertncy,
• inadvertecy,
• inadverteny,
• inadvertnecy,
• inadvartency,
• inadvertancy,
• inadvertancey,
• inadvartancy

• indefensible,
• inadvertence,
• independency,
• independent,
• independently,
• inadvertently,
• inadvertent,
• independence.

The adjective form of the word "inadvertency" is "inadvertent".

The plural of the "inadvertency" can be the "inadvertencies".

The singular of the "inadvertency" can be the "inadvertency".