As nouns the difference between loin and bull
is that
loin is the part of the body (of humans and quadrupeds) at each side of the backbone, between the ribs and hips while
bull is an adult male of domesticated cattle or oxen.
As an adjective bull is
large and strong, like a bull.
As a verb bull is
to force oneself (in a particular direction).
As a proper noun Bull is
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