Qadosh H6942 (adjective) means “holy” or “set apart” (describing a quality), while Qodesh H6944 (noun) refers to “holiness” or “a holy thing/place” (a concept or object). Both stem from the same root (Q-D-Sh) meaning to separate. Qadosh describes God, while Qodesh describes things dedicated to Him (e.g., Temple, sabbath)
