Thatcherite rhymes with:
lacharite, lacharite, catanzarite, diorite, lacharite, minorite, naderite, new-hampshirite, phosphorite, rasorite
Thatcherite sounds like:
taggart, taggert, teichert, thagard, thaggard, tigert, titsworth, tittsworth, tschirhart, tygart