jewel B1

/d͡ʒul/ A precious stone, especially one set in a ring or necklace.

jocular C2+

/ˈdʒɑkjələr/ fond of joking; humorous or playful

jeopardy C2+

/ˈdʒɛpərdi/ danger of loss, harm, or failure; legal risk of conviction

jocose C2+

/dʒoʊˈkoʊs/ given to or marked by joking; humorous and playful

joker C2+

/ˈdʒoʊkər/ a person who jokes; a playing card outside the normal suits

jugglery C2+

/ˈdʒʌɡləri/ trickery or deception, especially by sleight of hand

jeopardous C2+

/ˈdʒɛpərdəs/ full of danger or risk; perilous