| FOSSILIFEROUS | • fossiliferous adj. Containing fossils. • FOSSILIFEROUS adj. bearing fossils. |
| FRIVOLOUSNESS | • frivolousness n. (Uncountable) The quality of being frivolous. • frivolousness n. (Countable) The result of being frivolous. • FRIVOLOUS n. lacking seriousness. |
| GASTROLOGISTS | • gastrologists n. Plural of gastrologist. • GASTROLOGIST n. a student of gastrology. |
| LABORIOUSNESS | • laboriousness n. The condition of being laborious. • LABORIOUS n. full of labour. |
| LEPTOSPIROSES | • leptospiroses n. Plural of leptospirosis. • LEPTOSPIROSIS n. a disease of animals or man caused by bacteria of the genus Leptospira, aka Weil's disease. |
| LEPTOSPIROSIS | • leptospirosis n. An acute, infectious, febrile disease of both humans and animals, caused by spirochetes of the genus Leptospira. • LEPTOSPIROSIS n. a disease of animals or man caused by bacteria of the genus Leptospira, aka Weil's disease. |
| LISSOTRICHOUS | • lissotrichous adj. (Anthropology, rare) Straight-haired or smooth-haired; belonging to the lissotrichi. • LISSOTRICHOUS adj. having straight or smooth hair. |
| PERISSOLOGIES | • perissologies n. Plural of perissology. • PERISSOLOGY n. superfluity of words, pleonasm. |
| PROCESSIONALS | • processionals n. Plural of processional. • PROCESSIONAL n. a book containing material for a procession. |
| PROFESSIONALS | • professionals n. Plural of professional. • PROFESSIONAL n. one that is professional. |
| PROSYLLOGISMS | • prosyllogisms n. Plural of prosyllogism. • pro-syllogisms n. Plural of pro-syllogism. • PROSYLLOGISM n. a syllogism whose conclusion forms the premise of another. |
| RESPONSORIALS | • responsorials n. Plural of responsorial. • RESPONSORIAL n. an office-book containing the responsories. |
| SOLARISATIONS | • solarisations n. Plural of solarisation. • SOLARISATION n. the reversal of an image by overexposure, also SOLARIZATION. |
| SOLILOQUISERS | • soliloquisers n. Plural of soliloquiser. • SOLILOQUISER n. one who soliloquises, also SOLILOQUIZER. |
| STILBOESTROLS | • stilboestrols n. Plural of stilboestrol. • STILBOESTROL n. a synthetic oestrogen, also STILBESTROL. |
| STORIOLOGISTS | • storiologists n. Plural of storiologist. • STORIOLOGIST n. a folklorist. |
| VENOSCLEROSIS | • VENOSCLEROSIS n. sclerosis of the veins. |