Noun
spuriousness (uncountable)
The property of being spurious.
Hajji Mirza Aqasi sent a messenger to Bahman Mirza to inform him of the spuriousness of Hasan Ali Shah's documents and a battle between Bahman Mīrzā and Hasan Ali Shah broke out in which Bahman Mirza was defeated. Source: Internet
The poem is known to have circulated independently and its lack of engagement with Tibullan or Propertian elegy argue in favor of its spuriousness; however, the poem does seem to be datable to the early empire. Source: Internet