| EROTOLOGISTS | • erotologists n. Plural of erotologist. • EROTOLOGIST n. a student of erotology. |
| ETONOGESTREL | • etonogestrel n. A steroidal progestin used in hormonal contraceptives. • ETONOGESTREL n. a molecule used in certain hormonal contraceptives. |
| EXCOGITATORS | • excogitators n. Plural of excogitator. • EXCOGITATOR n. one who excogitates. |
| FORETHOUGHTS | • forethoughts n. Plural of forethought. • FORETHOUGHT n. a thinking or planning out in advance. |
| GASTROTOMIES | • gastrotomies n. Plural of gastrotomy. • GASTROTOMY n. a cutting into, or opening of, the abdomen or the stomach, also GASTROSTOMY. |
| GERATOLOGIST | • geratologist n. One who studies geratology. • GERATOLOGIST n. a student of geratology. |
| GERONTOCRATS | • gerontocrats n. Plural of gerontocrat. • GERONTOCRAT n. a member of a gerontocracy, government by the aged. |
| GUTTERBLOODS | • gutterbloods n. Plural of gutterblood. • GUTTERBLOOD n. (Scots) a lowborn person. |
| HEORTOLOGIST | • heortologist n. A person who studies heortology. • HEORTOLOGIST n. one who practises heortology, the study of religious feasts. |
| METROLOGISTS | • metrologists n. Plural of metrologist. • METROLOGIST n. a student of metrology. |
| PETROLOGISTS | • petrologists n. Plural of petrologist. • PETROLOGIST n. a student of petrology, the geological study of rocks. |
| PROGLOTTIDES | • proglottides n. Plural of proglottis. • PROGLOTTID n. a segment of a tapeworm, also PROGLOTTIS. |
| SCATTERGOODS | • scattergoods n. Plural of scattergood. • SCATTERGOOD n. a spendthrift. |
| TERATOLOGIES | • teratologies n. Plural of teratology. • TERATOLOGY n. the study of malformations, monstrosities or serious deviations from the normal type in organisms. |
| TERATOLOGIST | • teratologist n. (Teratology) A scientist specialising in teratology. • TERATOLOGIST n. a student of teratology. |
| THEOLOGASTER | • theologaster n. (Rare) A poor theologian; someone who merely pretends to be a theologian. • THEOLOGASTER n. a petty or shallow theologian. |
| TRIMETROGONS | • trimetrogons n. Plural of trimetrogon. • TRIMETROGON n. a technique of aerial photography using three cameras, which increases the range and detail of the coverage. |