G4732–στερεόω–stereoō

And he took him by his right hand, lifting him up; and straight away his feet and the bones of his legs became strong,

ἐστερεώθησαν estereōthēsan “were strengthened”

And his name, through faith in his name, has made this man strong, whom you see and have knowledge of: yes, the faith which is through him has made him well, before you all.

ἐστερέωσεν estereōsen “has strengthened”

So the churches were made strong in the faith and were increased in number every day.

ἐστερεοῦντο estereounto “were strengthened”