frail 3749 - ostrakinos {os-tra'-kin-os}; from ostrakon [ " oyster " ] (a tile, i.e. terra cotta); earthen-ware, i.e. clayey; by implication, {frail}: -- of earth, earthen.
frailties 4561 - sarx {sarx}; probably from the base of 4563; flesh (as stripped of the skin), i.e. (strictly) the meat of an animal (as food), or (by extension) the body (as opposed to the soul [or spirit], or as the symbol of what is external, or as the means of kindred), or (by implication) human nature (with its {frailties} [physically or morally] and passions), or (specifically) a human being (as such): -- carnal(-ly, + -ly minded), flesh( [-ly]).
frailty 0769 - astheneia {as-then'-i-ah}; from 0772; feebleness (of mind or body); by implication, malady; morally, {frailty}: -- disease, infirmity, sickness, weakness.