| ASSOCIATORS | • associators n. Plural of associator. • ASSOCIATOR n. one who associates. |
| BOOSTERISMS | • boosterisms n. Plural of boosterism. • BOOSTERISM n. the practice of boosting or promoting a product or idea. |
| CONSORTISMS | • CONSORTISM n. symbiosis. |
| DISPOSITORS | • dispositors n. Plural of dispositor. • DISPOSITOR n. in astrology, a planet that disposes or controls another. |
| FORTISSIMOS | • fortissimos n. Plural of fortissimo. • FORTISSIMO n. a very loud passage in music. |
| ISOTROPISMS | • ISOTROPISM n. isotropy, also ISOTROPY. |
| OSTENSORIES | • ostensories n. Plural of ostensory. • OSTENSORY n. a container for holding consecrated Communion wafers. |
| RIOTOUSNESS | • riotousness n. The state or condition of being riotous. • RIOTOUSNESS n. the state of being riotous. |
| ROOTINESSES | • ROOTINESS n. the state of being rooty. |
| SCOOTERISTS | • scooterists n. Plural of scooterist. • SCOOTERIST n. one who rides a scooter. |
| SEROLOGISTS | • serologists n. Plural of serologist. • SEROLOGIST n. one who studies sera. |
| SISTERHOODS | • sisterhoods n. Plural of sisterhood. • SISTERHOOD n. the state of being a sister. |
| SITOSTEROLS | • sitosterols n. Plural of sitosterol. • SITOSTEROL n. any of several sterols widespread in plant products. |
| SPOILSPORTS | • spoilsports n. Plural of spoilsport. • spoil-sports n. Plural of spoil-sport. • SPOILSPORT n. one who spoils the sport or pleasure of others. |
| UROSCOPISTS | • uroscopists n. Plural of uroscopist. • UROSCOPIST n. one who carries out a uroscopy, the diagnosis of diseases by inspection of urine. |