This root form (lemma) is used in 2 different forms in the NT: ὀπαῖς (DFP), ὀπῆς (GFS).
It is glossed in 2 different ways: ‘hole’, ‘holes’.
OET HEB 11:38 Greek word=ὀπαῖς (opais) Morphology=DFP English gloss=‘holes’ SR GNT HEB 11:38 word 17
OET JAM 3:11 Greek word=ὀπῆς (opaʸs) Morphology=GFS English gloss=‘hole’ SR GNT JAM 3:11 word 9