ean (Greek #1437)
a conditional particle; in case that, provided, etc.; often used in connection with other particles to denote indefiniteness or uncertainty
KJV usage: before, but, except, (and) if, (if) so, (what-, whither-)soever, though, when (-soever), whether (or), to whom, (who-)so(-ever). See 3361.
Pronounce: eh-an'
Origin: from 1487 and 302
opheleo (Greek #5623)
to be useful, i.e. to benefit
KJV usage: advantage, better, prevail, profit.
Pronounce: o-fel-eh'-o
Origin: from the same as 5622