invigorate
irascible
irk
irony
jargon
jaunty
jeopardize
jettison
jocose
jostle
jovial
jubilant
judicious
junta
juxtapose
invigorate
irascible
irk
irony
jargon
jaunty
jeopardize
jettison
jocose
jostle
jovial
jubilant
judicious
junta
juxtapose