Main Difference
The main difference between Oregano and Thyme is that the Oregano is a species of plant and Thyme is a herb with culinary, medicinal and ornamental uses
Oregano
Oregano (US: , UK: ; Origanum vulgare) is a flowering plant in the mint family (Lamiaceae). It is native to temperate Western and Southwestern Eurasia and the Mediterranean region.
Oregano is a perennial herb, growing from 20–80 cm (7.9–31.5 in) tall, with opposite leaves 1–4 cm (0.39–1.57 in) long. The flowers are purple, 3–4 mm (0.12–0.16 in) long, produced in erect spikes. It is sometimes called wild marjoram, and its close relative, O. majorana, is known as sweet marjoram.
Thyme
Thyme () is any member of the genus Thymus of aromatic perennial evergreen herbs in the mint family Lamiaceae. Thymes are relatives of the oregano genus Origanum. They have culinary, medicinal, and ornamental uses, and the species most commonly cultivated and used for culinary purposes is Thymus vulgaris.
Oregano (noun)
A leaves.
“wild marjoram”
Oregano (noun)
Other herbs with a similar flavor, including other species in the genus Origanum, and Mexican oregano, noshow=1
Oregano (noun)
The leaves of these plants used in flavouring food.
Thyme (noun)
Any plant of the labiate genus Thymus, such as the garden thyme, noshow=1, a warm, pungent aromatic, that is much used to give a relish to seasoning and soups.