Noah Webster's Dictionary (p. pr. & vb. n.) of Apostatize.

Multi-Version Concordance Apostatizing (2 Occurrences) Deuteronomy 21:18 When a man hath a son apostatizing and rebellious -- he is not hearkening to the voice of his father, and to the voice of his mother, and they have chastised him, and he doth not hearken unto them -- (YLT) Deuteronomy 21:20 and have said unto the elders of his city, Our son -- this one -- is apostatizing and rebellious; he is not hearkening to our voice -- a glutton and drunkard; (YLT)