No. Although they could both be used for raiding and plunder, they were set in different times and were entirely different kinds of ships.Viking ships (longships) were very seaworthy craft usually...
an early form of fencing!(um... its called sparring.)
A plank is layed down to cross, or you swing by rope.
It is harder for law enforcement officials to arrest them when they are at sea on their own ship.
Any ship stolen in battle from its rightful owner by pirates.