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
hotan (Greek #3752)
whenever (implying hypothesis or more or less uncertainty); also causatively (conjunctionally) inasmuch as
KJV usage: as long (soon) as, that, + till, when(-soever), while.
Pronounce: hot'-an
Origin: from 3753 and 302