33ac 18ty letter of the Hebrew alphabet, between pe and koph.(5) is it (tzade)? 37ac Pungent toxic greenish-yellow gaseous element of the halogen group commonly used as a water purifier and disinfectant,atomic no.17 (8) (C??????e) 38ac Any of various offences committed against the sovereign power of a state, treason.(4--7) 39ac Rosaceous tree of western Asia (prunus dulcis oramygdalus) widely cultivated for its edible oval-shoped nuts.(6) (?????d)