Acts 6:14ἀλλάξει
For we have heard him say that Jesus of Nazareth will destroy this place and change the customs that Moses handed down to us.”
Romans 1:23ἤλλαξαν
and exchanged the glory of the immortal God for images of mortal man and birds and animals and reptiles.
1 Corinthians 15:51ἀλλαγησόμεθα
Listen, I tell you a mystery: We will not all sleep, but we will all be changed—
Galatians 4:20ἀλλάξαι
how I wish I could be with you now and change my tone, because I am perplexed about you.
Hebrews 1:12ἀλλαγήσονται
You will roll them up like a robe; like a garment they will be changed; but You remain the same, and Your years will never end.”

Abbott-Smith

ἀλλάσσω
(ἄλλος), [in LXX chiefly for חָלַף, מוּר hi., etc. ;]

1. to change: Act.6:14, Gal.4:20.

2. to transform: 1Co.15:51-52, Heb.1:12.

3. to exchange: with accusative, before ἐν (= בְּ, Psa.106:20) instead of simple genitive (Bl., § 36, 8), Rom.1:23
(cf. ἀπ-, δι-, κατ-, ἀπο-κατ-, μετ-, συν-αλλάσσω; see MM, VGT, see word).†
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.