| ACAROLOGIES | • ACAROLOGY n. the study of mites. | 
| ANDROLOGIES | • ANDROLOGY n. the branch of medicine dealing with diseases specific to males. | 
| ASTROLOGIES | • astrologies n. Plural of astrology. • ASTROLOGY n. the study of the supposed influence of the movements and positions of the stars and planets.
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| CHIROLOGIES | • CHIROLOGY n. the language of gesture; the study of the hands. | 
| CHOROLOGIES | • chorologies n. Plural of chorology. • CHOROLOGY n. the science or study of the geographical distribution of anything.
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| COPROLOGIES | • COPROLOGY n. the study of pornography. | 
| HIEROLOGIES | • hierologies n. Plural of hierology. • HIEROLOGY n. the science of sacred matters.
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| HYDROLOGIES | • hydrologies n. Plural of hydrology. • HYDROLOGY n. the study of water resources.
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| HYGROLOGIES | • HYGROLOGY n. the study of humidity. | 
| MACROLOGIES | • macrologies n. Plural of macrology. • MACROLOGY n. much talk with little to say.
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| METROLOGIES | • metrologies n. Plural of metrology. • METROLOGY n. the science of weights and measures.
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| MICROLOGIES | • micrologies n. Plural of micrology. • MICROLOGY n. the branch of science which depends on the use of a microscope.
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| NECROLOGIES | • necrologies n. Plural of necrology. • NECROLOGY n. an obituary list.
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| NEUROLOGIES | • neurologies n. Plural of neurology. • NEUROLOGY n. the branch of science which treats of the nervous system.
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| PATROLOGIES | • patrologies n. Plural of patrology. • PATROLOGY n. the study of early Christianity.
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| PETROLOGIES | • petrologies n. Plural of petrology. • PETROLOGY n. the geological study of rocks.
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| THEROLOGIES | • THEROLOGY n. the study of wild mammals. |