rhododendron

(US also rosebay) n evergreen shrub with large clusters of trumpet-shaped red, purple, pink or white flowers 杜鹃花.

rhapsodize, rhapsodise, rhapsody, rhea, rheostat, rhesus, rhetoric, rhetorical, rhetorical question, rhetorically, rheumatic, rheumatic fever, rheumaticky, rheumatics, rheumatism, rheumatoid, rheumatoid arthritis, rhinestone, rhino, rhinoceros, rhizome, rhomboid, rhombus, rhubarb, rhyme, rhymed, rhyming slang, rhythm, rhythm and blues, rhythm method, rhythmic, rhythmically, RI, rib, rib-cage, rib-tickling, ribald, ribaldry, ribbon, ribbon development, riboflavin,