Strong's G5121 — τοὐναντίον (adverb)
tounantion ('tou-nan-tee'-on) adv.
1. on the contrary
[contraction for the neuter of G3588 and G1726]
KJV: contrariwise 
Root(s): G3588, G1726 
Hebrew root: ἐναντίον
Occurrences: 3