Intermec rhymes with:
cammack, carmack, cermak, chermak, commack, cormac, cormack, dimock, hammac, hammack, hammock, inasmuch, maccormack, mccormac, mccormack, potomac, primack, romack, slimak, stellmach, stelmach, stelmack, stimac, stomach, womac, wommack
Intermec sounds like:
intermix, internees, interns, intrinsic