Inoficioso.
a.Indifferent to obligation or duty.
Not officious; not civil or attentive.
Regardless of natural obligation; contrary to natural duty; unkind; -- commonly said of a testament made without regard to natural obligation, or by which a child is unjustly deprived of inheritance.
Vogais: ioiiou
Consoantes: nffcs
inofficious, inefficacious, inefficacy, invious, invoice, infix, infuse, impious, in vogue, iambic.