introuvé, -e, part., unfound.
intrus, -e, part. and n., intruded, obtruded; intruder.
intrusion, n.f., intrusion.
intuiti-f, -ve, adj., intuitive.
intuition, n.f., intuition.
intuitivement (-ti-vmān), adv., intuitively.
intumescence (-mès-sans), n.f., intumescence.
intumescent, -e, adj., intumescent.
intussusception, n.f., (med., physiology) intussusception, introsusception.
inule, n.f., (bot.) inula.