• conivving,
• couniting,
• conieving,
• coniving,
• concieving,
• conciving,
• convising,
• contiuing,
• caniving,
• conceving,
• connecing,
• confising,
• convinving,
• coniveing,
• couniling,
• canniving,
• convicing,
• coneiving,
• cunniving,
• confiring

• confine,
• cunning,
• conveying,
• convincingly,
• combing,
• conveyancing,
• convening,
• conventicle,
• convener,
• convention,
• Conceiving,
• Canning,
• convincing,
• convene,
• conventual,
• combining,
• convent,
• convenient,
• connivance,
• confining,
• Coining,
• confiding,
• convenience.

The adjective form of the word "conniving" is "conniving".

The plural form of the word "conniving" is "connivings." However, it is worth noting that "conniving" is usually an uncountable noun, so it does not commonly have a plural form.

The singular form of the word "conniving" is "conniver"