Intersec rhymes with:
cisek, dusek, hasek, hosek, janousek, jasek, karasek, klucevsek, kosek, kusek, lasek, leszek, marasek, masek, matousek, matusek, misek, nosek, ondracek, pasek, pesek, petkovsek, petrasek, polasek, prasek, prosek, smisek, tomasek, usec, valasek, vasek, vondrasek, worseck, zakrajsek
Intersec sounds like:
imitators, indoors, initiators, interco, interco's, interiors, intrex, intricacies, intricacy, intrigue, intrigues, intros