Why is it called "House of Plantagenet" or "House of Lancaster", instead of "Dynasty of Plantagenet" or "Dynasty of Lancaster"? What's the difference between house and dynasty?
Learn English – What’s the difference between a House and a Dynasty
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A regime usually refers to a system of government.
A regimen is a plan that one adheres to (i.e. regimented).
People misuse regime a lot of the time when they mean regimen, especially relating to diets.
A rock is bigger, possibly immovable, you couldn't throw it with one hand, at a pinch you might be able to with two.
Above, a Google Image result for "Rock", below, for "Stone"
Note that a boulder is probably bigger than a rock1.
Below, a boulder
Oh, also note that rocks and boulders are made from stone.
(This answer is mildly tongue in cheek)
1 Notable exception: Uluru/Ayre's Rock.
Best Answer
House is a only a dynasty with reference to its noble family:
Dynasty refers to the ruling power over a country or some other field of influence:
In English terminology, the ruling power of a nation can move from house to house, and the reign of each house is referred to as a dynasty. The House of Stuart enjoyed the Stuart Dynasty from 1603-1714. The House of Hanover extended the Hanover Dynasty from 1714-1901. The Windsor Dynasty began with King George V (formerly Saxe-Coburg-Gotha) and has ruled through the House of Windsor in Great Britain to the present.
English seems to use dynasty a little more freely for ancient foreign rulers. Kublai Khan, the grandson of Genghis Khan in Mongolia, established the Yuan Dynasty when he conquered China. The house of Kahn ruled in China from 1271 to its collapse in 1368.
The Empire of the Great Ming was the last dynasty of the ethic Han through Ming Taizu, who ruled from 1368-1398, and established the throne of his grandson Zhu Yunwen before he died. The house of Ming ruled in the Ming Dynasty until it was overthrown in 1644.
Nurhaci established the Qing Dynasty in 1644, and the house of Nurhaci ruled in China until it was displaced by the communist revolution and the Republic of China in 1912.