upayoga
dvija-upayoga — most suitable for a pure brāhmaṇa;
SB 9.5.24
kene kara upayoga — why are You eating;
CC Antya 2.64
karena upayoga — uses;
CC Antya 10.14
upayoga kailā — used;
CC Antya 10.130
karena upayoga — used;
CC Antya 10.132