| HOUSEPERSONS | • housepersons n. Plural of houseperson. • HOUSEPERSON n. a person who does housekeeping. |
| OESOPHAGUSES | • oesophaguses n. Plural of oesophagus. • OESOPHAGUS n. that portion of the gut which connects the pharynx to the stomach, also ESOPHAGUS. |
| PHOSPHORUSES | • phosphoruses n. Plural of phosphorus. • PHOSPHORUS n. a chemical element. |
| PHYSOSTOMOUS | • physostomous adj. (Zoology) Having a duct to the air bladder. • physostomous adj. (Zoology) Relating to the Physostomi. • PHYSOSTOMOUS adj. of fishes, having a duct connecting the air bladder to part of the alimentary canal. |
| POPULOUSNESS | • populousness n. The quality of being populous. • POPULOUSNESS n. the state of being populous. |
| POROUSNESSES | • porousnesses n. Plural of porousness. • POROUSNESS n. the quality of being porous. |
| PSEUDOSCOPES | • pseudoscopes n. Plural of pseudoscope. • PSEUDOSCOPE n. an instrument producing images in reversed relief. |
| PUSSYFOOTERS | • pussyfooters n. Plural of pussyfooter. • PUSSYFOOTER n. one who pussyfoots. |
| SOUSAPHONIST | • sousaphonist n. Someone who plays the sousaphone. • SOUSAPHONIST n. one who plays the sousaphone. |
| STAUROSCOPES | • stauroscopes n. Plural of stauroscope. • STAUROSCOPE n. an instrument for studying the structure of crystals with polarised light. |
| SUPERSCHOOLS | • superschools n. Plural of superschool. • SUPERSCHOOL n. an exceptional school. |
| SUPPOSITIONS | • suppositions n. Plural of supposition. • SUPPOSITION n. something that is supposed. |
| SUPPOSITIOUS | • suppositious adj. Spurious; substituted for the genuine, counterfeit; fake; supposititious. • suppositious adj. Imaginary; fictitious, pretended to exist. • suppositious adj. Hypothetical, based on supposition; suppositional. |
| VAPOROUSNESS | • vaporousness n. The condition of being vaporous. • VAPOROUSNESS n. the state of being vaporous. |