9-Letter Words Containing: O,S,T,A,N,I

• crested ill-smelling South American bird whose young have claws on the first and second digits of the wings

• collect and study plants

• a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium

• anger produced by some annoying irritation

• the psychological state of being irritated or annoyed

• something or someone that causes anxiety; a source of unhappiness

• the act of troubling or annoying someone

• an abnormal state in which development has stopped prematurely

• an unhealthy and compulsive preoccupation with something or someone

• the activity of fastening something firmly in position

• (histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body

• authenticate as a notary

• act of demanding or levying by force or authority