| DEIPNOSOPHISTS | • deipnosophists n. Plural of deipnosophist. • DEIPNOSOPHIST n. a person skilled in dinner conversation. | 
| DICHOTOMOUSNESS | • dichotomousness n. The quality of being dichotomous. • DICHOTOMOUS n. forking into two equal branches. | 
| DOLICHOSAURUSES | • DOLICHOSAURUS n. any member of the Dolichosauria, a group of Cretaceous fossil reptiles. | 
| FOOLHARDINESSES | • foolhardinesses n. Plural of foolhardiness. • FOOLHARDINESS n. the state of being foolhardy. | 
| HOLODISCUSES | • HOLODISCUS n. a genus of deciduous shrubs grown for their summer flowers. | 
| ISODIMORPHISMS | • ISODIMORPHISM n. isomorphism between each of the two forms of a dimorphous substance and the corresponding forms of another dimorphous substance. | 
| MISSHOODS | • MISSHOOD n. the state of being a miss. | 
| PHOTOSENSITISED | • photosensitised v. Simple past tense and past participle of photosensitise. • photosensitised adj. Alternative spelling of photosensitized. • PHOTOSENSITISE v. to make photosensitive by chemical or other means, also PHOTOSENSITIZE. | 
| PROSTHODONTISTS | • prosthodontists n. Plural of prosthodontist. • PROSTHODONTIST n. a specialist in prosthodontics. | 
| PSEUDOARTHROSIS | • pseudoarthrosis n. Alternative form of pseudarthrosis. • PSEUDOARTHROSIS n. a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united, also PSEUDARTHROSIS. | 
| PSEUDOMORPHISMS | • pseudomorphisms n. Plural of pseudomorphism. • PSEUDOMORPHISM n. the state of being pseudomorphic. | 
| SADOMASOCHISM | • sadomasochism n. The practices of sadism and masochism collectively, usually in reference to consensual practices within… • sadomasochism n. Sadism and masochism: the (often sexual) enjoyment by one person of both inflicting and receiving pain. • sado-masochism n. Alternative spelling of sadomasochism. | 
| SADOMASOCHISMS | • sadomasochisms n. (Rare) plural of sadomasochism. • SADOMASOCHISM n. the derivation of pleasure from the infliction of physical or mental pain either on others or on oneself. | 
| SADOMASOCHIST | • sadomasochist n. A person who enjoys both inflicting and receiving pain for sexual gratification. • sadomasochist adj. Sadomasochistic. • SADOMASOCHIST n. one who derives sexual pleasure from inflicting pain. | 
| SADOMASOCHISTIC | • sadomasochistic adj. Of or relating to sadomasochism or sadomasochists. • SADOMASOCHISTIC adj. relating to sadomasochism. | 
| SADOMASOCHISTS | • sadomasochists n. Plural of sadomasochist. • SADOMASOCHIST n. one who derives sexual pleasure from inflicting pain. | 
| SIDESHOOTS | • SIDESHOOT n. a shoot growing off the side of a main stem. | 
| SISTERHOODS | • sisterhoods n. Plural of sisterhood. • SISTERHOOD n. the state of being a sister. | 
| SPINSTERHOODS | • spinsterhoods n. Plural of spinsterhood. • SPINSTERHOOD n. the state of being a spinster, also SPINSTERDOM, SPINSTERSHIP. | 
| SYNCHONDROSIS | • synchondrosis n. (Anatomy) A form of only slightly-moveable articulation between bones joined by hyaline cartilage, as… • SYNCHONDROSIS n. synarthrosis in which the bone surfaces are connected by cartilage. |