| DOORJAMBS | • doorjambs n. Plural of doorjamb. • DOORJAMB n. one of the two vertical members forming the sides of a doorframe, aka doorpost. |
| JAMBOREES | • jamborees n. Plural of jamboree. • JAMBOREE n. a noisy celebration. |
| JAMBUSTER | • jambuster n. (Manitoba, Northwestern Ontario) A doughnut filled with jam. • JAMBUSTER n. (Canadian) a jelly-filled doughnut. |
| JEREMIADS | • jeremiads n. Plural of jeremiad. • JEREMIAD n. a literary work or speech expressing a bitter lament or a righteous prophecy of doom. |
| JEROBOAMS | • jeroboams n. Plural of jeroboam. • Jeroboams n. Plural of Jeroboam. • JEROBOAM n. an oversize wine bottle holding about four 26-ounce quarts. |
| JETSTREAM | • jetstream n. Alternative spelling of jet stream. • jet␣stream n. (Meteorology) any of the high-speed, high-altitude air currents that circle the Earth in a westerly direction. • JETSTREAM n. a narrow belt of high-altitude winds moving east at high speeds and having an important effect on frontogenesis. |
| JIMCRACKS | • jimcracks n. Plural of jimcrack. • JIMCRACK n. something cheap and showy, of little use, also GIMCRACK. |
| JURYMASTS | • jurymasts n. Plural of jurymast. • jury␣masts n. Plural of jury mast. • JURYMAST n. a temporary mast. |
| MAHARAJAS | • maharajas n. Plural of maharaja. • MAHARAJA n. (Sanskrit) a king or prince in India ranking above a rajah, esp. the sovereign of one of the former native states, also MAHARAJAH. |
| MAJORSHIP | • majorship n. The position or office of major. • MAJORSHIP n. the rank or office of a major. |
| MARJORAMS | • marjorams n. Plural of marjoram. • MARJORAM n. any of various labiate plants of the genus Origanum, aromatic herbs much used in cooking. |
| MARYJANES | • Mary␣Janes n. Plural of Mary Jane. • MARYJANE n. (slang) marijuana. |
| MUDEJARES | • Mudéjares n. Plural of Mudéjar. • MUDEJAR n. (Arabic) a Spanish moor. |
| NONMAJORS | • nonmajors n. Plural of nonmajor. • NONMAJOR n. a student who is not majoring in a specific subject. |
| SCRAMJETS | • scramjets n. Plural of scramjet. • SCRAMJET n. a type of aircraft engine. |
| SWARAJISM | • swarajism n. Support for swaraj. • SWARAJISM n. the policy of Indian political independence. |