quietness 1515 - eirene {i-ray'-nay}; probably from a primary verb eiro (to join); peace (literally or figuratively); by implication, prosperity: -- one, peace, {quietness}, rest, + set at one again.
quietness 2271 - hesuchia {hay-soo-khee'-ah}; feminine of 2272; (as noun) stillness, i.e. desistance from bustle or language: -- {quietness}, silence.