trace

[1]	dog , pursue , follow (in the footsteps of) , stalk , track (down) , shadow , trail , (Colloq) tail
[2]	investigate , discover , ascertain , detect , determine , find , seek , search for , hunt down/up , unearth , track
[3]	delineate , outline , copy , draw , map , chart , mark (out) , record , reproduce , sketch
[4]	follow
[5]	draw , line , describe , delineate
[6]	retrace
[7]	hound , hunt
[8]	decipher

[1]	hint , hint , suggestion , intimation , sign , token , suggestion , touch , vestige , indication , mark , record , evidence , clue
[2]	bit , vestige , tincture , spot , speck , shadow , jot , drop , dash , suspicion , remnant , tinge , iota , whiff , suggestion , trifle
[3]	traces , touch , ghost , track(s) , trail , spoor , footprint(s) , print(s) , footmark(s)
[4]	tracing