| HOBBYHORSING | • HOBBYHORSE v. of a vessel, to pitch violently. | 
| LOPHOBRANCHS | • lophobranchs n. Plural of lophobranch. • LOPHOBRANCH n. any fish of the pipefish and seahorse genus.
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| ARACHNOPHOBES | • arachnophobes n. Plural of arachnophobe. • ARACHNOPHOBE n. one with a morbid fear of spiders.
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| NEIGHBORHOODS | • neighborhoods n. Plural of neighborhood. • NEIGHBORHOOD n. (US) neighbourhood.
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| OPISTHOBRANCH | • opisthobranch n. (Zoology) A gastropod with gills behind the heart, formerly thought to belong to a single group. • opisthobranch adj. (Of gills) Placed behind the heart.
 • opisthobranch adj. (Of a gastropod) Having gills placed behind the heart.
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| RHOMBOHEDRONS | • rhombohedrons n. Plural of rhombohedron. • RHOMBOHEDRON n. a parallelepiped whose faces are rhombuses.
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| TOOTHBRUSHING | • toothbrushing v. Present participle of toothbrush. • toothbrushing n. An act of brushing the teeth.
 • TOOTHBRUSHING n. the action of using a toothbrush to clean teeth.
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| ARACHNOPHOBIAS | • arachnophobias n. Plural of arachnophobia. • ARACHNOPHOBIA n. fear of spiders.
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| ARACHNOPHOBICS | • arachnophobics n. Plural of arachnophobic. • ARACHNOPHOBIC n. one with a morbid fear of spiders.
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| NEIGHBOURHOODS | • neighbourhoods n. Plural of neighbourhood. • NEIGHBOURHOOD n. a district, locality, esp. with reference to its inhabitants as a community, also NEIGHBORHOOD.
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| OPISTHOBRANCHS | • opisthobranchs n. Plural of opisthobranch. • OPISTHOBRANCH n. a type of mollusc having gills, little or no shell, two pairs of tentacles.
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| ORNITHOPHOBIAS | • ORNITHOPHOBIA n. fear of birds. | 
| TOOTHBRUSHINGS | • toothbrushings n. Plural of toothbrushing. • TOOTHBRUSHING n. the action of using a toothbrush to clean teeth.
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| ANTHROPOPHOBIAS | • ANTHROPOPHOBIA n. fear of humans. | 
| ANTHROPOPHOBICS | • anthropophobics n. Plural of anthropophobic. • ANTHROPOPHOBIC n. someone having a fear of humans.
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| BRACHISTOCHRONE | • brachistochrone n. (Mathematics) A cycloid; the curve of fastest descent between two points. • BRACHISTOCHRONE n. the curve along which a particle acted on by a force (e.g. gravity) will pass in the shortest time from one given point to another.
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| BRONCHOGRAPHIES | • BRONCHOGRAPHY n. radiological examination of the trachea or bronchi. | 
| RHOMBENPORPHYRS | • RHOMBENPORPHYR n. an intermediate, moderately fine-grained igneous rock with feldspar phenocrysts rhombic in section, also RHOMBENPORPHYRY, RHOMBPORPHYRY. |