What non-lilac bushes smell like lilac in yards?

Bent orchids, Charles Rennie Mackintosh and Mayflower rose varieties, fragrant abelia and Pyrenean whitlow grass are examples of bushes that are not lilac relatives even though they emit lilac-like fragrances, odors, scents and smells. Bent orchids (Oncidium incurvum) have yellow-throated fuchsia and white blooms while Pyrenean whitlow grass (Petrocallis pyrenaica) maintains honey- and lilac-scented purple or white blossoms. Charles Rennie Mackintosh (Rosa 'Charles Rennie Mackintosh') and Mayflower (R. 'Mayflower') rose varieties and fragrant abelia (Abelia mosanensis) sport pink flowers.