偉烈[iretsu] great achievement
苛烈[karetsu] severe
強烈[kyouretsu] strong
劇烈[gekiretsu] violence
激烈[gekiretsu] violent

酷烈[kokuretsu] severity
鮮烈[senretsu] vivid
壮烈[souretsu] heroic
痛烈[tsuuretsu] severe
熱烈[netsuretsu] ardent

苛む[sainamu] to torment
苛めっ子[ijimekko] bully
苛める[ijimeru] to tease
苛虐[kagyaku] cruel treatment
苛性[kasei] caustic

苛性ソーダ[kaseisooda] caustic soda
苛政[kasei] tyranny
苛税[kazei] heavy taxation
苛立つ[iradatsu] to be irritated
苛立てる[iradateru] to irritate