践言 （センゲン） keeping one's word

践祚 （センソ） accession (to the throne)

履践 （リセン） implementation, carrying out, practice

踏む （ふむ） to step on, to tread on, to trample on, to set foot on (e.g. foreign soil), to stand on, to visit, to experience, to undergo, to follow (rules, principles, etc.), to go through (e.g. formalities), to complete, to estimate, to guess, to judge, to value, to appraise, to rhyme, to succeed to (e.g. the throne)