N1I1D2I1F4I1C3A1T1I1O1N1S1
19 points
NIDIFICATIONS is validvalid
NIDIFICATION, the act of nidifying [n]
NIDIFICATION, the act, process or technique of building a nest [n]
NIDIFICATION, the act of nidifying [n]
NIDIFICATION, the act, process or technique of building a nest [n]