nephesh (Hebrew #5315)
properly, a breathing creature, i.e. animal of (abstractly) vitality; used very widely in a literal, accommodated or figurative sense (bodily or mental)
KJV usage: any, appetite, beast, body, breath, creature, X dead(-ly), desire, X (dis-)contented, X fish, ghost, + greedy, he, heart(-y), (hath, X jeopardy of) life (X in jeopardy), lust, man, me, mind, mortally, one, own, person, pleasure, (her-, him-, my-, thy-)self, them (your)-selves, + slay, soul, + tablet, they, thing, (X she) will, X would have it.
Pronounce: neh'-fesh
chay (Hebrew #2416)
alive; hence, raw (flesh); fresh (plant, water, year), strong; also (as noun, especially in the feminine singular and masculine plural) life (or living thing), whether literally or figuratively
KJV usage: + age, alive, appetite, (wild) beast, company, congregation, life(-time), live(-ly), living (creature, thing), maintenance, + merry, multitude, + (be) old, quick, raw, running, springing, troop.
Pronounce: khah'-ee