それ以来[soreirai] since then
出来るようになる[dekiruyouninaru] (something) has become possible
やって来る[yattekuru] to come along
ぴんと来る[pintokuru] to get (a joke or explanation)
以来[irai] since

遠来[enrai] foreign or distant visitor
往来[ourai] coming and going
家来[kerai] retainer
外来[gairai] external origin
外来患者[gairaikanja] outpatients

西貢[saigon] Saigon
貢ぎ[mitsugi] tribute
貢ぐ[mitsugu] to support
貢献[kouken] contribution (furthering a goal or cause)
入貢[nyuukou] paying tribute

年貢[nengu] annual tribute
年貢米[nengumai] annual rice tax
来貢[raikou] coming to pay tribute
貢物[mitsugimono] tribute
朝貢[choukou] bringing tribute