為替【かわせ】
money order, draft, exchange (e.g. foreign)
代替【だいたい】
substitution, alternative, substitute
切り替え【きりかえ】
exchange, conversion, replacement, switching (to), switchover
振替【ふりかえ】
transfer, switching over, change, money transfer (usu. between accounts held by the same person), postal transfer
両替【りょうがえ】
change, money exchange
着替え【きがえ】
changing clothes, change of clothes
着替える【きがえる】
to change (one's clothes)
替わる【かわる】
to succeed, to relieve, to replace, to take the place of, to substitute for, to take over for, to represent, to hand over (telephone), to be exchanged, to change (places with), to switch
立て替える【たてかえる】
to pay for someone else (with the expectation of being reimbursed later), to lend someone the money to pay for (e.g. rent), to make a temporary payment on someone's behalf