List 14

Unit 6 jolt, jot, jovial, jubilant, judicious, juggernaut, ken, kidnap, kiddle, kindred

Unit 5 jejune, jettison, jeopardy, jest, jibe, jingoist, jitters, jocular, jocund, jog

Unit 4 irrigate, irritate, issue, jabber, jaded, jape, jargon, jarring, jaundice, jaunty

Unit 3 invigorate, invincible, invoke, irascible, irate, iridescent, irk, ironclad, irradicable, itinerant

Unit 2 intrinsic, intuitive, inundate, inure, invective, inveigh, inveigle, inventory, inveterate, invidious,

Unit 1 interminable, intermittent, interregnum, interrogate, intimate, intimidate, intoxicant intransigent, intrepid, intrigue