| HIJACKERS | • hijackers n. Plural of hijacker. • HIJACKER n. one that hijacks, also HIGHJACKER. |
| JACCHUSES | • jacchuses n. Plural of jacchus. • JACCHUS n. a South American marmoset. |
| JACINTHES | • JACINTHE n. an orange colour. |
| CHAPAREJOS | • chaparejos n. Chaps (trousers). • CHAPAREJOS n. a cowboy's leather riding leggings, also CHAPARAJOS. |
| 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. |
| JAWCRUSHER | • JAWCRUSHER n. a heavy-duty rock-breaking machine with hinged jaws. |
| JUICEHEADS | • juiceheads n. Plural of juicehead. • juice-heads n. Plural of juice-head. • juice␣heads n. Plural of juice head. |
| 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. |
| JAWCRUSHERS | • JAWCRUSHER n. a heavy-duty rock-breaking machine with hinged jaws. |
| 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. |
| CLAMJAMPHRIES | • clamjamphries n. Plural of clamjamphrie. • CLAMJAMPHRIE n. (Scots) rubbish, nonsense, also CLAMJAMFRY, CLANJAMFRAY. |
| 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. |