'achar (Hebrew #310)
properly, the hind part; generally used as an adverb or conjunction, after (in various senses)
KJV usage: after (that, -ward), again, at, away from, back (from, -side), behind, beside, by, follow (after, -ing), forasmuch, from, hereafter, hinder end, + out (over) live, + persecute, posterity, pursuing, remnant, seeing, since, thence(-forth), when, with.
Pronounce: akh-ar'
halak (Hebrew #1980)
a primitive root; to walk (in a great variety of applications, literally and figuratively)
KJV usage: (all) along, apace, behave (self), come, (on) continually, be conversant, depart, + be eased, enter, exercise (self), + follow, forth, forward, get, go (about, abroad, along, away, forward, on, out, up and down), + greater, grow, be wont to haunt, lead, march, X more and more, move (self), needs, on, pass (away), be at the point, quite, run (along), + send, speedily, spread, still, surely, + tale-bearer, + travel(-ler), walk (abroad, on, to and fro, up and down, to places), wander, wax, (way-)faring man, X be weak, whirl.
Pronounce: haw-lak'