impero (imperāt-), I command; imperium, rule: imperative, empire (Fr.).
insŭla, island: insular, pen-insula, insulate = isolate (Fr.), isle (Fr.).
in-teg-er, whole (= in-tac-t; from tag-, see [tango]): integer, entire (Fr.).
intellego (intellect-), I understand: intelligent, intellect, intellectualism.
īra, anger, irāsc-i, to be angry: irate, iracund, irascible, ire (Fr.)
ĭ-, go—This root is found in ĕo (ĭt-), I go; ī-tio, ĭ-tus, a going; iter (ĭtĭner-), a going, march; ĭn-ĭ-tium, a beginning: amb-ĭ-ent, amb-ĭ-tion, se(d)-ĭ-tion (sē = apart), adit, exit, circuit, itinerant, initial.
Jac-, throw—jăcĭo (ject- in compounds), I throw; jăct-ūra, jăculātio, casting; jac-ēre, to lie (down): jactitation, abject, project, adjective, rejection, conjecture, ejaculation; adjacent, circumjacent; through Fr., jet (= jut), jetty, jetsam, gist and joist (from jacēre).
jŏcus, jest; jŭcundus, pleasant: jocose, jocular, joke, jocundity, juggler and jeopardy (jeu parti = even chance) (Fr.).
jūdex (jūdic-), a judge; jūs (jūr-), right; jūrāre, to swear; justus, just; judicial, prejudice, justice; Fr., judge, jury, jurist, injury, adjust.
jŭg-um, yoke; jung-o (junct-), I join; juxta, near to: jugular, conjugal, conjugate, juncture, adjunct, conjunction, juxtaposition; through, Fr. join, joiner, joint.