from a derivative of βάπτω; to immerse, submerge; to make whelmed (i.e. fully wet); used only (in the New Testament) of ceremonial ablution, especially (technically) of the ordinance of Christian baptism:--Baptist, baptize, wash.
from the base of χράομαι or χρή; employment, i.e. an affair; also (by implication) occasion, demand, requirement or destitution:--business, lack, necessary(-ity), need(-ful), use, want.