Synonyms for May (same or very similar meaning)
WordNet sense 1 (thorny Eurasian shrub of small tree having dense clusters of white to scarlet flowers followed by deep red berries; established as an escape in eastern North America):
whitethorn, English hawthorn, Crataegus laevigata, Crataegus oxycanthaFrom the ODE community, based on WordNetadd/edit