| COLTSFOOTS | • coltsfoots n. Plural of coltsfoot. • colt's-foots n. Plural of colt’s-foot. • colt's␣foots n. Plural of colt’s foot. |
| FOOTCLOTHS | • footcloths n. Plural of footcloth. • FOOTCLOTH n. a housing or caparison for a horse. |
| FOOTSTOOLS | • footstools n. Plural of footstool. • foot-stools n. Plural of foot-stool. • FOOTSTOOL n. a stool for placing one's feet on when sitting. |
| GLOTTOLOGY | • glottology n. The science of tongues or languages. • GLOTTOLOGY n. the science of tongues or languages. |
| ODONTOLITE | • odontolite n. (Mineralogy) A fossil tooth coloured a bright blue by iron phosphate, used as an imitation turquoise. • ODONTOLITE n. a fossil bone or tooth coloured blue with phosphate of iron, aka bone-turquoise. |
| ONTOLOGIST | • ontologist n. (Philosophy) A scholar or theorist of ontology, or an adherent of a particular ontological doctrine. • ONTOLOGIST n. one who is versed in or treats of ontology. |
| OPTOLOGIST | • optologist n. One who studies optology. • OPTOLOGIST n. an optician. |
| OTOLOGISTS | • otologists n. Plural of otologist. • OTOLOGIST n. a practitioner of otology, the study of the ear. |
| PHOTOLITHO | • PHOTOLITHO n. (short for) a photolithograph. |
| POLYCOTTON | • polycotton n. A fabric made from a blend of cotton and artificial fibres, especially of polyester fibres. • POLYCOTTON n. a synthetic fabric. |
| RONDOLETTO | • rondoletto n. (Music) A simple rondo. • RONDOLETTO n. a short rondo. |
| TOADSTOOLS | • toadstools n. Plural of toadstool. • TOADSTOOL n. any of several spore-producing, poisonous, umbrella-shaped fungi. |
| TOLLBOOTHS | • tollbooths n. Plural of tollbooth. • toll␣booths n. Plural of toll booth. • TOLLBOOTH n. (Scots) a town hall, a prison, also TOLBOOTH. |
| TOPOLOGIST | • topologist n. A mathematician who specializes in topology. • TOPOLOGIST n. one who studies topology. |