This root form (lemma) is used in 2 different forms in the NT: αὐθαίρετοι (NMP), αὐθαίρετος (NMS).
It is glossed in 1 way: ‘voluntary’.
OET 2COR 8:3 Greek word=αὐθαίρετοι (authairetoi) Morphology=NMP English gloss=‘voluntary’ SR GNT 2COR 8:3 word 9
OET 2COR 8:17 Greek word=αὐθαίρετος (authairetos) Morphology=NMS English gloss=‘voluntary’ SR GNT 2COR 8:17 word 9