Words Containing: I,N,N,O,P,S

• A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain classes of sponges. A proteinaceous compound of which the spicules in Demospongiae are composed.

• a regular payment to a person that is intended to allow them to subsist without working

• grant a pension to

• designed to reduce or prevent slipping

• an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes

• any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers

• a gear with a small number of teeth designed to mesh with a larger wheel or rack

• any of the larger wing or tail feathers of a bird

• wing of a bird

• bind the arms of

• cut the wings off (of birds)

• any of several low-growing pines of western North America