This root form (lemma) is used in 3 different forms in the NT: ἐρημίαις (DFP), ἐρημίας (GFS), ἐρημίᾳ (DFS).
It is glossed in 4 different ways: ‘a wilderness’, ‘the wilderness’, ‘wilderness’, ‘wildernesss’.
OET MARK 8:4 Greek word=ἐρημίας (eraʸmias) Morphology=GFS English gloss=‘wilderness’ SR GNT MARK 8:4 word 23
OET MAT 15:33 Greek word=ἐρημίᾳ (eraʸmia) Morphology=DFS English gloss=‘a wilderness’ SR GNT MAT 15:33 word 11
OET 2COR 11:26 Greek word=ἐρημίᾳ (eraʸmia) Morphology=DFS English gloss=‘the wilderness’ SR GNT 2COR 11:26 word 18
OET HEB 11:38 Greek word=ἐρημίαις (eraʸmiais) Morphology=DFP English gloss=‘wildernesss’ SR GNT HEB 11:38 word 9