This root form (lemma) is used in 3 different forms in the NT: αἵ (NFP), ἃς (AFP), ἥν (AFS).
It is glossed in 2 different ways: ‘that’, ‘which’.
OET GAL 1:23 Greek word=ἥν (haʸn) Morphology=AFS English gloss=‘which’ SR GNT GAL 1:23 word 14
OET 2TH 2:15 Greek word=ἃς (has) Morphology=AFP English gloss=‘that’ SR GNT 2TH 2:15 word 9
OET 1TIM 1:19 Greek word=ἥν (haʸn) Morphology=AFS English gloss=‘which’ SR GNT 1TIM 1:19 word 6
OET 1TIM 6:21 Greek word=ἥν (haʸn) Morphology=AFS English gloss=‘which’ SR GNT 1TIM 6:21 word 1
OET HEB 10:1 Greek word=ἃς (has) Morphology=AFP English gloss=‘which’ SR GNT HEB 10:1 word 22
OET REV 5:8 Greek word=αἵ (hai) Morphology=NFP English gloss=‘which’ SR GNT REV 5:8 word 30