| HIJACKERS | • hijackers n. Plural of hijacker. • HIJACKER n. one that hijacks, also HIGHJACKER. |
| JOCKEYISH | • JOCKEYISH adj. like a jockey. |
| JOKESMITH | • jokesmith n. (Humorous) A person who devises jokes. • JOKESMITH n. (archaic) a composer of jokes. |
| CHEAPJACKS | • cheapjacks n. Plural of cheapjack. • CHEAPJACK n. a travelling hawker who professes to give a great bargain. |
| JACKFISHES | • jackfishes n. Plural of jackfish. • JACKFISH n. a food fish. |
| JAYHAWKERS | • jayhawkers n. Plural of jayhawker. • JAYHAWKER n. a name given to a freebooting, un-enlisted, armed man or guerrilla in the American Civil War. |
| JOCKEYSHIP | • jockeyship n. The art, character, or position, of a jockey; the personality of a jockey. • JOCKEYSHIP n. the art or practice of a jockey. |
| JOKESMITHS | • jokesmiths n. Plural of jokesmith. • JOKESMITH n. (archaic) a composer of jokes. |
| HIGHJACKERS | • highjackers n. Plural of highjacker. • HIGHJACKER n. one that highjacks, also HIJACKER. |
| JACKHAMMERS | • jackhammers n. Plural of jackhammer. • jackhammers v. Third-person singular simple present indicative form of jackhammer. • JACKHAMMER n. a handheld compressed air rock-drill. |
| JERKINHEADS | • jerkinheads n. Plural of jerkinhead. • JERKINHEAD n. a truncated gable with a lipped roof. |
| JOCKEYSHIPS | • jockeyships n. Plural of jockeyship. • JOCKEYSHIP n. the art or practice of a jockey. |
| JOHNNYCAKES | • johnnycakes n. Plural of johnnycake. • johnny␣cakes n. Plural of johnny cake. • JOHNNYCAKE n. a kind of bread made of the meal of maize (Indian corn), mixed with water or milk, etc. and baked, also JONNYCAKE. |
| TECHNOJUNKIES | • technojunkies n. Plural of technojunkie. • TECHNOJUNKIE n. someone who is obsessed with technology. |
| LEATHERJACKETS | • leatherjackets n. Plural of leatherjacket. • LEATHERJACKET n. any of various tropical carangid fishes having a leathery skin. |
| STRAIGHTJACKET | • straightjacket n. Misspelling of straitjacket. • straight-jacket n. Misspelling of straitjacket. • straight␣jacket n. Alternative form of straightjacket. |
| STRAIGHTJACKETS | • STRAIGHTJACKET n. a straitjacket. |