| JACKPOTS | • jackpots n. Plural of jackpot. • JACKPOT n. a top prize or reward. |
| JANNOCKS | • jannocks n. Plural of jannock. • JANNOCK n. oaten bread. |
| JESTBOOK | • jestbook n. Joke book. • JESTBOOK n. a collection of funny stories. |
| JINGKOES | • JINGKO n. (Japanese) a kind of tree, also GINGKO, GINKGO. |
| JOCKDOMS | • JOCKDOM n. the world of athletes. |
| JOCKIEST | • JOCKY adj. resembling an athlete. |
| JOCKNEYS | • Jockneys n. Plural of Jockney. • JOCKNEY n. the Scots dialect influenced by cockney speech patterns. |
| JOKESOME | • jokesome adj. Marked by joking or jocularity; joky; humorous. • JOKESOME adj. amusing. |
| JOKESTER | • jokester n. A person who tells jokes; a joker. • jokester n. A person who plays practical jokes. • jokester n. Jester, court jester. |
| JOKINESS | • jokiness n. The state or condition of being joky. • JOKINESS n. the state of being amusing. |
| JOYSTICK | • joystick n. A mechanical device consisting of a handgrip mounted on a base or pedestal and typically having one… • joystick n. (Slang) A penis. • joystick v. (Rare) To manoeuvre by means of a joystick. |
| KILLJOYS | • killjoys n. Plural of killjoy. • kill-joys n. Plural of kill-joy. • KILLJOY n. one who spoils the fun of others. |
| LOCKJAWS | • lockjaws n. Plural of lockjaw. • LOCKJAW n. a form of tetanus. |
| PAJOCKES | • PAJOCKE n. (Shakespeare) an obscure word conjectured to be a misprint for peacock, also PAIOCK, PAIOCKE, PAJOCK. |
| SJAMBOKS | • sjamboks n. Plural of sjambok. • SJAMBOK v. (South African) to beat with a rhinoceros-hide whip, also JAMBOK. |
| SKIJORER | • skijorer n. One who skijors. • SKIJORER n. one who does skijoring, also SKIKJORER, SKIORER. |