hoti (Greek #3754)
demonstrative, that (sometimes redundant); causative, because
KJV usage: as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
Pronounce: hot'-ee
Origin: neuter of 3748 as conjunction
opheilo (Greek #3784)
to owe (pecuniarily); figuratively, to be under obligation (ought, must, should); morally, to fail in duty
KJV usage: behove, be bound, (be) debt(-or), (be) due(-ty), be guilty (indebted), (must) need(-s), ought, owe, should. See also 3785.
Pronounce: of-i'-lo
Origin: ὀφειλέω (of-i-leh'-o) probably from the base of 3786 (through the idea of accruing)