ginosko (Greek #1097)
to "know" (absolutely) in a great variety of applications and with many implications (as follow, with others not thus clearly expressed)
KJV usage: allow, be aware (of), feel, (have) know(-ledge), perceived, be resolved, can speak, be sure, understand.
Pronounce: ghin-oce'-ko
Origin: a prolonged form of a primary verb
ekeinos (Greek #1565)
that one (or (neuter) thing); often intensified by the article prefixed
KJV usage: he, it, the other (same), selfsame, that (same, very), X their, X them, they, this, those. See also 3778.
Pronounce: ek-i'-nos