kai (Greek #2532)
and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
KJV usage: and, also, both, but, even, for, if, or, so, that, then, therefore, when, yet.
Pronounce: kahee
Origin: apparently, a primary particle, having a copulative and sometimes also a cumulative force
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