Peccadillo
A small sin or fault- noun
Pecc
To sin, to be flawed
Impeccable
Having no flaws- adj
Peccant
Violating a moral code; sinful- adj
Pej, pair
Worse
Pejorative
Negative and critical; insulting- adj
Impair
To cause to diminish, as in strength, value or quality- verb
Mal
Bad
Malign
To speak of maliciously, insult- verb
Maligner
To pretend to be sick in order to avoid something- verb
Malaise
A sense of unease, depression- noun
Neg
To neglect
Negligent
Not properly attentive- adj
Negligible
Unimportant, insignificant- adj
Negate
To cancel the effect of; nullify- verb