toutoi (Greek #5129)
to (in, with or by) this (person or thing)
KJV usage: here(-by, -in), him, one, the same, there(-in), this.
Pronounce: too'-to
Origin: dative case singular masculine or neuter of 3778
teleioo (Greek #5048)
to complete, i.e. (literally) accomplish, or (figuratively) consummate (in character)
KJV usage: consecrate, finish, fulfil, make) perfect.
Pronounce: tel-i-o'-o