Avalanches rhymes with:
benches, branch's, brunches, bulfinch's, crunches, entrenches, finches, french's, funches, goldfinches, hunches, lunches, lynch's, punches, ranch's, trenches, wenches, wrenches
Avalanches sounds like:
abouhalima's, affluence, appalling, appealing, appelhans, appleans, appliance, appliances, appling, applying, avalanche, avalon's, avellino's, awfulness