adder: or, asp, Psa 58:4, Mar 16:18, Act 28:3-6, Rom 3:13, Rom 16:20
the dragon: Isa 27:1, Rev 12:9, Rev 20:1, Rev 20:2
Reciprocal: Exo 4:4 - put forth Jos 10:24 - put your feet 1Sa 17:35 - smote him Psa 44:5 - tread Psa 58:6 - young Mal 4:3 - tread down Luk 10:19 - I give Act 28:5 - felt Eph 1:22 - put Heb 10:29 - trodden Heb 11:33 - stopped