Trailer rhymes with:
semitrailer, traylor, semitrailer, traylor, ailor, ayler, aylor, bailer, bailor, baler, baylor, caler, caylor, eyler, failor, faler, galer, gayler, gaylor, inhaler, jailer, kaler, kaylor, mailer, maler, nailor, naylor, paylor, sailer, sailor, sayler, saylor, scalar, semitrailer, seyler, seyller, shaler, staebler, tailor, tayler, taylor, thaler, traylor, whaler
Trailer sounds like:
thriller, trawler, traylor, treloar, trierweiler, twirler