右から左へ[migikarahidarihe] from right to left
右といえば左[migitoiebahidari] always contradicting what other people say
右往左往[uousaou] move about in confusion
左右[sayuu] left and right
左下[hidarishita] lower left

左回り[hidarimawari] counterclockwise rotation
左官[sakan] plasterer
左岸[sagan] left bank (of a river)
左記[saki] undermentioned (statement)

暗証[anshou] code
暗証化[anshouka] encryption
暗証番号[anshoubangou] personal identification number
証し[shirushi] mark
印鑑証明[inkanshoumei] certification of official registration of a seal

引証[inshou] quotation
仮受取証[kariuketorishou] temporary receipt
会員証[kaiinshou] membership certificate
外国人登録証明書[gaikokujintourokushoumeisho] certificate of alien registration
確証[kakushou] positive proof