This root form (lemma) is used in 4 different forms in the NT: πατριάρχαι (NMP), πατριάρχας (AMP), πατριάρχης (NMS), πατριάρχου (GMS).
It is glossed in 2 different ways: ‘patriarch’, ‘patriarchs’.
OET ACTS 2:29 Greek word=πατριάρχου (patriarⱪou) Morphology=GMS English gloss=‘patriarch’ SR GNT ACTS 2:29 word 11
OET ACTS 7:8 Greek word=πατριάρχας (patriarⱪas) Morphology=AMP English gloss=‘patriarchs’ SR GNT ACTS 7:8 word 29
OET ACTS 7:9 Greek word=πατριάρχαι (patriarⱪai) Morphology=NMP English gloss=‘patriarchs’ SR GNT ACTS 7:9 word 3
OET HEB 7:4 Greek word=πατριάρχης (patriarⱪaʸs) Morphology=NMS English gloss=‘patriarch’ SR GNT HEB 7:4 word 15