ニュース媒体[nyuusubaitai] news media
圧力団体[atsuryokudantai] pressure group
安定同位体[anteidouitai] stable isotope
意識体[ishikitai] discarnate entity
為体[teitaraku] state of affairs

異性体[iseitai] isomer
異体[itai] different body
異体字[itaiji] kanji variants
移動体[idoutai] moving body
遺体[itai] corpse

まっ四角[masshikaku] square
一天四海[ittenshikai] the world
下四半期[shimoshihanki] last quarter (of the year)
弦楽四重奏曲[gengakushijuusoukyoku] string quartet
再三再四[saisansaishi] repeatedly

三寒四温[sankanshion] alternation of three cold and four warm days
四つ[yottsu] four
四つんばい[yotsunbai] (crawl) on all fours
四つ角[yotsukado] four corners
四つ足[yotsuashi] four-footed (animal)