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)

亜聖[asei] sage of the second order
歌聖[kasei] great poet
画聖[gasei] master painter
旧新約聖書[kyuushinyakuseisho] Old and New Testaments
旧約聖書[kyuuyakuseisho] Old Testament

古聖[kosei] ancient sage
五輪聖火[gorinseika] Olympic torch
七十人訳聖書[shichijuuninyakuseisho] Septuagint
新約聖書[shinyakuseisho] New Testament
神聖[shinsei] holiness