Trailways' rhymes with:
trailways, railway's, railways, trailways, railway's, railways, trailways, always, elway's, hallways, railway's, railways, trailways
Trailways' sounds like:
tarheels, terlecki, terlizzi, thrills, tireless, trails, trails', trailways, treeless, trellis, trial's, trials, trilogy, trolleys, trulock, truluck, turlough, tutorials, twirls