下劣[geretsu] base
愚劣[guretsu] foolishness
見劣り[miotori] unfavourable comparison
拙劣[setsuretsu] clumsy
低劣[teiretsu] low grade

鄙劣[hiretsu] mean
卑劣漢[hiretsukan] mean bastard
優勝劣敗[yuushoureppai] survival of the fittest
優劣[yuuretsu] (relative) merits
劣る[otoru] to be inferior to