This root form (lemma) is used in 2 different forms in the NT: δουλείαν (AFS), δουλείας (GFS).
It is glossed in 3 different ways: ‘of slavery’, ‘to slavery’, ‘slavery’.
OET ROM 8:15 Greek word=δουλείας (douleias) Morphology=GFS English gloss=‘of slavery’ SR GNT ROM 8:15 word 5
OET ROM 8:21 Greek word=δουλείας (douleias) Morphology=GFS English gloss=‘slavery’ SR GNT ROM 8:21 word 12
OET GAL 4:24 Greek word=δουλείαν (douleian) Morphology=AFS English gloss=‘slavery’ SR GNT GAL 4:24 word 16
OET GAL 5:1 Greek word=δουλείας (douleias) Morphology=GFS English gloss=‘of slavery’ SR GNT GAL 5:1 word 15
OET HEB 2:15 Greek word=δουλείας (douleias) Morphology=GFS English gloss=‘to slavery’ SR GNT HEB 2:15 word 14