為残す[shinokosu] to leave unfinished
一人残らず[hitorinokorazu] everyone
居残り[inokori] working overtime
居残る[inokoru] to stay behind
残り[nokori] remnant

残り火[nokoribi] embers
残り物[nokorimono] leftovers (esp. food)
残る[nokoru] to remain
残骸[zangai] ruins
残基[zanki] residue

一宿一飯[isshukuippan] (being beholden to someone for a favor of) a night's lodging and a meal
一膳飯屋[ichizenmeshiya] quick lunch
一飯[ippan] bowl of rice
五目飯[gomokumeshi] dish of rice, fish and vegetables
御飯[omanma] cooked rice

桜飯[sakurameshi] rice boiled with soy sauce and sake
残飯[zanpan] food scraps
鮨飯[sushimeshi] rice seasoned with vinegar, sugar and salt, used for preparing sushi
炊飯器[suihanki] rice cooker
赤飯[sekihan] red rice (beans and mochi) for auspicious occasions