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
pisteuo (Greek #4100)
to have faith (in, upon, or with respect to, a person or thing), i.e. credit; by implication, to entrust (especially one's spiritual well-being to Christ)
KJV usage: believe(-r), commit (to trust), put in trust with.
Pronounce: pist-yoo'-o