substitute 10 Associations

second-string secondary (similar term)

substitute 10 Associations

utility secondary (similar term)

substitute 10 Associations

ersatz artificial (similar term) unreal (similar term)

substitute 10 Associations

replacement equivalent (generic term)

substitute 10 Associations

reserve second-stringer athlete (generic term) jock (generic term)

substitute 10 Associations

stand-in relief reliever backup backup man fill-in peer (generic term)

substitute 10 Associations

replace exchange (generic term) change (generic term) interchange (generic term)

substitute 10 Associations

sub stand in fill in exchange (generic term) change (generic term) interchange (generic term)

substitute 10 Associations

deputize deputise step in supplant (generic term) replace (generic term) supersede (generic term) supervene upon (generic term)