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)

辻風[tsumujikaze] whirlwind
辻褄[tsujitsuma] coherence
辻褄の合わない[tsujitsumanoawanai] incoherent
辻占[tsujiura] slip of paper with a fortune-telling message
辻君[tsujigimi] streetwalker

辻札[tsujifuda] street corner bulletin board
辻社[tsujiyashiro] small shrine built at a crossroads
辻待ち[tsujimachi] vehicle waiting to be hired
辻強盗[tsujigoutou] highwayman