trail

[1]	tow , draw , drag (along) , haul , pull , tag along , trawl , bring along (behind) , carry along (behind)
[2]	drag , drag , get behind , pull , move , hang back , drop behind , be drawn , stream , drop back , sweep , dangle
[3]	lag (behind) , chase , chase after , dawdle , loiter , tail , tag , linger , follow , give chase , dog , straggle , bring up the rear , go after , track , hang back , fall/drop behind
[4]	follow , shack , pursue , dog , trace , shadow , stalk , track , chase , hunt , (Colloq) tail
[5]	trail off/away , diminish , decrease , fade away/out , disappear , dwindle , lessen , die out/away , peter out , subside , taper off , weaken , grow faint/dim
[6]	train

[1]	(beaten) path , way , footpath , route , way , track , course
[2]	track , spoor , scent , smell , trace , footsteps , footprints , path , wake
[3]	lead , track