We "westerners" read context (and LUKE was a westerner, writing to westerners):
Act 4:31-35 [NASB]
31 And when they had prayed, the place where they had gathered together was shaken, and they were all filled with the Holy Spirit and [began] to speak the word of God with boldness.
32 And the congregation of those who believed were of one heart and soul; and not one [of them] claimed that anything belonging to him was his own, but all things were common property to them.
33 And with great power the apostles were giving testimony to the resurrection of the Lord Jesus, and abundant grace was upon them all.
- The verse you focused on.
34 For there was not a needy person among them, for all who were owners of land or houses would sell them and bring the proceeds of the sales 35 and lay them at the apostles' feet, and they would be distributed to each as any had need.
"great/abundant" = [G3173] = μέγας mégas = literally "big"
"power" = [G1411] = δύναμις dýnamis = literally "force"
"grace" = [G5485] = χάρις cháris = literally "that which affords pleasure of delight"
They are not "synonymous parallels", rather Acts 4 describes BOTH the Power and the Grace which were present.
Frankly, as Acts 4 describes them, we (the 21st century church) have NEITHER (although both the POWER to speak boldly and the GRACE to love ONE ANOTHER in deed is no less available).