継続 （ケイゾク） continuation, continuance, going on

継承 （ケイショウ） inheritance, succession, accession, share-alike

後継 （コウケイ） succession, successor

承継 （ショウケイ） succession, accession, inheritance

継ぐ （つぐ） to succeed (a person, to a position, etc.), to inherit, to take over, to follow, to patch (clothes), to mend, to repair, to add (e.g. charcoal to the fire), to replenish with, to feed with, to follow up with (e.g. remarks), to gather (one's breath)