Synonyms for Harebell (same or very similar meaning)
WordNet sense 1 (perennial of northern hemisphere with slender stems and bell-shaped blue flowers):
bluebell, Campanula rotundifoliaWordNet sense 2 (sometimes placed in genus Scilla):
wild hyacinth, Hyacinthoides nonscripta, Scilla nonscripta, wood hyacinthFrom the ODE community, based on WordNetadd/edit