apo (Greek #575)
"off," i.e. away (from something near), in various senses (of place, time, or relation; literal or figurative)
KJV usage: (X here-)after, ago, at, because of, before, by (the space of), for(-th), from, in, (out) of, off, (up-)on(-ce), since, with. In composition (as a prefix) it usually denotes separation, departure, cessation, completion, reversal, etc.
Pronounce: apo'
Origin: a primary particle
pros (Greek #4314)
a preposition of direction; forward to, i.e. toward (with the genitive case, the side of, i.e. pertaining to; with the dative case, by the side of, i.e. near to; usually with the accusative case, the place, time, occasion, or respect, which is the destination of the relation, i.e. whither or for which it is predicated)
KJV usage: about, according to , against, among, at, because of, before, between, (where-)by, for, X at thy house, in, for intent, nigh unto, of, which pertain to, that, to (the end that), X together, to (you) -ward, unto, with(-in). In the comparative case, it denotes essentially the same applications, namely, motion towards, accession to, or nearness at.
Pronounce: pros
Origin: a strengthened form of 4253