蹑 ⇒
蹑手蹑脚 nièshǒunièjiǎo, [躡手躡腳], to walk quietly on tiptoe (idiom)
蹑 niè, [躡], to walk on tiptoe/to walk quietly/to tread (on)/to follow
踪 ⇒
失踪 shīzōng, [失蹤], to be missing/to disappear/unaccounted for
跟踪 gēnzōng, [跟蹤], to follow sb's tracks/to tail/to shadow/tracking
追踪 zhuīzōng, [追蹤], to follow a trail/to trace/to pursue
行踪 xíngzōng, [行蹤], whereabouts/(lose) track (of)
踪迹 zōngjì, [蹤跡], tracks/trail/footprint/trace/vestige
踪 zōng, [蹤], footprint/trace/tracks
踪影 zōngyǐng, [蹤影], trace/vestige/presence
无影无踪 wúyǐngwúzōng, [無影無蹤], to disappear without trace (idiom)
寻踪