报答

报答	bào dá	to repay / to requite
报	bào	to report; to inform; to announce / to respond; to reply / to sign up for; to register for (abbr. for 报名) / to reward; to recompense / to take revenge; to retaliate / newspaper / periodical; journal / bulletin / telegram
答	dā	bound form having the same meaning as the free word 答, used in 答应, 答理 etc
答	dá	to answer / to reply / to respond