on (Greek #5607)
and the neuter ὄν (on) present participle of 1510; being
KJV usage: be, come, have.
Pronounce: oan
Origin: οὖσα (oo'-sah)
heis (Greek #1520)
a primary numeral; one
KJV usage: a(-n, -ny, certain), + abundantly, man, one (another), only, other, some. See also 1527, 3367, 3391, 3762.
Pronounce: hice
Origin: (including the neuter (etc.) ἕν)