遺跡【いせき】
(archeological) remains, ruins, relics
足跡【あしあと】
footprints, record of page visitors (e.g. in social networking sites)
奇跡【きせき】
miracle, wonder, marvel
追跡【ついせき】
chase, pursuit, tracking, stalking, following up, tracing
軌跡【きせき】
tire track, traces of a person or thing, path one has taken, locus
傷跡【きずあと】
scar
史跡【しせき】
historic landmark, historic site, historic remains
跡継ぎ【あとつぎ】
heir, inheritor, successor