ho (Greek #3588)
the definite article; the (sometimes to be supplied, at others omitted, in English idiom)
KJV usage: the, this, that, one, he, she, it, etc.
Pronounce: ho
Origin: ἡ (hay), and the neuter τό (to) in all their inflections
hora (Greek #5610)
an "hour" (literally or figuratively)
KJV usage: day, hour, instant, season, X short, (even-)tide, (high) time.
Pronounce: ho'-rah
Origin: apparently a primary word