MotherGothelsoundslikeshe's speakingwith a Mid-Atlanticaccent, thefavoredaccentofold-schoolHollywoodstars, whichTheAtlanticdescribedas a "phony-BritishAnnouncerVoice".
TheinflectionworksforMotherGothel's character, butitdoesraisethequestionofhowRapunzel, who's livedin a towerforherentirelifeandhasneverspokentoanotherperson, has a completelydifferentaccent.