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)

カーソル強調[kaasorukyouchou] cursored emphasis
意志の強い[ishinotsuyoi] strong-minded
引き剥し強度[hikihagashikyoudo] peel strength (conductor from substrate)
引っ張り剪断強度[hipparisendankyoudo] peel strength (conductor from substrate)
俄勉強[niwakabenkyou] cramming

簡明強固[kanmeikyouko] plain and sturdy
関係強化[kankeikyouka] strengthening of relations
頑強[gankyou] dogged
強い[tsuyoi] strong
強いて[shiite] by force

雄蕊[yuuzui] stamen
雌蕊[shizui] pistil
花蕊[kazui] center of a flower (centre)

二強雄蕊[nikyouyuuzui] didynamous stamen
四強雄蕊[shikyouyuuzui] tetradynamous stamen

英雄[eiyuu] hero
英雄的[eiyuuteki] heroic
雄牛[oushi] bull
雄羊[ohitsuji] ram
群雄[gunyuu] rival chiefs

群雄割拠[gunyuukakkyo] rivalry of local warlords
雌雄[shiyuu] male and female (animal)
反英雄[haneiyuu] antihero
雄壮[yuusou] heroic
雄たけび[osakebi] war cry