NACS is just a different connector, the communication protocol is CCS under the hood. You can use passive adapters no problem. Replacing the connector should be possible, you just need a switch to shunt between level 1/2 AC charging and level 3 DC fast charging.
It’s /smawg/, it should sort of feel like the name doesn’t fit me your mouth properly, English phonotactics doesn’t allow for gliding from W to G without a vowel in between.