tis (Greek #5101)
an interrogative pronoun, who, which or what (in direct or indirect questions)
KJV usage: every man, how (much), + no(-ne, thing), what (manner, thing), where (-by, -fore, -of, -unto, - with, -withal), whether, which, who(-m, -se), why.
Pronounce: tis
Origin: probably emphatic of 5100
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