This root form (lemma) is used in 4 different forms in the NT: ἁρμάτων (GNP), ἅρμα (ANS), ἅρματι (DNS), ἅρματος (GNS).
It is glossed in 3 different ways: ‘of chariots’, ‘to chariot’, ‘chariot’.
OET ACTS 8:28 Greek word=ἅρματος (harmatos) Morphology=GNS English gloss=‘chariot’ SR GNT ACTS 8:28 word 10
OET ACTS 8:29 Greek word=ἅρματι (harmati) Morphology=DNS English gloss=‘to chariot’ SR GNT ACTS 8:29 word 11
OET ACTS 8:38 Greek word=ἅρμα (harma) Morphology=ANS English gloss=‘chariot’ SR GNT ACTS 8:38 word 5
OET REV 9:9 Greek word=ἁρμάτων (harmatōn) Morphology=GNP English gloss=‘of chariots’ SR GNT REV 9:9 word 16