Cumulonimbus.
nimbus
Cumulonimbus clouds are clouds that produce lightning.
cumulus cloud
Stratus
A "Nimbus Cloud" is a cloud that produces precipitation. Most likely a Hail or Snow Cloud.
Any cloud, including clumlus.
A funnel-shaped cloud is typically associated with a tornado, which is a violent rotating column of air that extends from a thunderstorm to the ground. Tornadoes can cause significant damage and are characterized by their distinctive funnel cloud shape.
nimbus
cirrus
CIRRUS
Tornadoes are produced from thunderstorms.
That would be a stratus cloud.