Anthills rhymes with:
foothills, foothills, advil's, bonnevilles, carville's, catskills, cranesbills, crossbills, daffodils, emuil's, foothills, freshkills, handbills, hawkbill's, hornbills, jacksonville's, landfills, morrisville's, nashville's, rototilles, sawmills, treadmills, whippoorwills, windmills
Anthills sounds like:
amdahl's, andalusia, anthologies, anthology, antilles, antilock, antolik