kriyaya

kriyayā by religious rituals; SB 3.29.24
kriyayā by fruitive activities; SB 3.32.34-36
lupta-kriyāya not observing rules and regulations; SB 4.2.13
sat-kriyayā by actual employment; SB 5.12.8
kriyayā by activity; SB 11.25.17
vibhavati kriyāya by the verb vibhavati ("flourishes"); CC Adi 16.66