This root form (lemma) is used in 2 different forms in the NT: καταποντίζεσθαι (NPP····), καταποντισθῇ (SAP3··S).
It is glossed in 2 different ways: ‘may_be sunk’, ‘to_be_being sunk’.
OET MAT 14:30 Greek word=καταποντίζεσθαι (katapontizesthai) Morphology=NPP···· English gloss=‘to_be_being sunk’ SR GNT MAT 14:30 word 11
OET MAT 18:6 Greek word=καταποντισθῇ (katapontisthaʸ) Morphology=SAP3··S English gloss=‘may_be sunk’ SR GNT MAT 18:6 word 26