This root form (lemma) is used in 2 different forms in the NT: αὐθάδεις (NMP), αὐθάδη (AMS).
It is glossed in 1 way: ‘self-willed’.
OET TIT 1:7 Greek word=αὐθάδη (authadaʸ) Morphology=AMS English gloss=‘self-willed’ SR GNT TIT 1:7 word 11
OET 2PET 2:10 Greek word=αὐθάδεις (authadeis) Morphology=NMP English gloss=‘self-willed’ SR GNT 2PET 2:10 word 17