Tailgate rhymes with:
applegate, filegate, holgate, travelgate, abrogate, applegate, arrogate, bathgate, bishopsgate, castigate, congregate, corrugate, delegate, desegregate, digate, filegate, floodgate, fumigate, holgate, instigate, interrogate, investigate, irangate, iraqgate, irrigate, koreagate, litigate, mastergate, mitigate, navigate, northgate, obligate, profligate, propagate, relegate, seagate, segregate, southgate, stargate, subjugate, travelgate, watergate, westgate, wingate
Tailgate sounds like:
talcott, talked, tallest, telecast, telequest, telesat, telewest, telexed, tolstoy, twilight