Result of search for "stigma":
4742. stigma stig'-mah from a primary stizo (to "stick", i.e. prick); a mark incised or punched (for recognition of ownership), i.e. (figuratively) scar of service:--mark.
5516. chi xi stigma khee xee stig'-ma the 22nd, 14th and an obsolete letter (4742 as a cross) of the Greek alphabet (intermediate between the 5th and 6th), used as numbers; denoting respectively 600, 60 and 6; 666 as a numeral:--six hundred threescore and six.