| MOTIONISTS | • motionists n. Plural of motionist. • MOTIONIST n. (Milton) a person who is good at making suggestions or recommendations. |
| NOTIONISTS | • notionists n. Plural of notionist. • NOTIONIST n. one whose opinions are ungrounded notions. |
| ODONATISTS | • odonatists n. Plural of odonatist. • ODONATIST n. an expert on dragonflies. |
| ORTHOTISTS | • orthotists n. Plural of orthotist. • ORTHOTIST n. one skilled in orthotics. |
| OTIOSITIES | • otiosities n. Plural of otiosity. • OTIOSITY n. the state of being otiose. |
| OTOLOGISTS | • otologists n. Plural of otologist. • OTOLOGIST n. a practitioner of otology, the study of the ear. |
| SCOOTERIST | • scooterist n. A person who rides a motor scooter or other scooter. • scooterist n. A person whose hobby is riding or restoring motor scooters. • scooterist n. (UK) A member of a scooter-riding subculture, associated especially with the 1960s Mod movement and… |
| SITOSTEROL | • sitosterol n. (Organic chemistry) Any of a range of plant sterols used to prepare steroid hormones. • SITOSTEROL n. any of several sterols widespread in plant products. |
| SORTATIONS | • sortations n. Plural of sortation. • SORTATION n. sorting out. |
| SORTITIONS | • sortitions n. Plural of sortition. • SORTITION n. the casting of lots. |
| STAIRFOOTS | • stairfoots n. Plural of stairfoot. • STAIRFOOT n. the level place at the foot of the stairs. |
| STREPITOSO | • STREPITOSO adv. (Italian) noisy, boisterous. |
| TATTOOISTS | • tattooists n. Plural of tattooist. • TATTOOIST n. one who tattoos, also TATTOOER. |
| TOOTHINESS | • toothiness n. (Uncountable) The condition of being toothy. • TOOTHINESS n. the state of being toothy. |
| TOROSITIES | • torosities n. Plural of torosity. • TOROSITY n. the state of being torose, swelling. |
| TROOSTITES | • troostites n. Plural of troostite. • TROOSTITE n. a reddish or greyish variety of willemite. |
| ZOOTOMISTS | • zootomists n. Plural of zootomist. • zoötomists n. Plural of zoötomist. • ZOOTOMIST n. one who dissects animals, or is skilled in zootomy. |