boor, moor, Moor, poor, spoor;

amour, dour,¹ tour, your;

abjure, adjure, allure, assure, con'jure, demure, endure, ensure, immure, insure, inure, lure, McClure, manure, mature, obscure, procure, pure, secure, sure;

bourse, gourd, Bourbon,² bourgeois,³ gourmand, gourmet, tournament,² tourney,² tourniquet;²

boorish, houri, tourism, tourist;

Ural, angostura, assurance, bravura, bureau,³ c(a)esura, Huron, incurable, insurance, mural, plural, rural, Truro,

anthurium, centurion, curious, furious, injurious, luxurious, Muriel, penurious, spurious, Uriel,

curate, during, fury, futurity, jury, lurid, maturity, obscurity, purify, purity, security, sulfuric/sulphuric, tellurium, thurible;

Europe, neural, neuron/neurone, pleurisy.