传播

Rumours are flying among the staff.

Flies spread/transmit diseases.

The circulation of gossip is a vicious practice.

spread/communicate/disseminate/diffuse/disperse knowledge

spread/circulate/diffuse rumours

spread news/a religion

diffuse/spread culture

disseminate/spread scientific ideas

communicate/spread a disease; transmit a disease

pollinate; carry pollen (from flower to flower)

spread the Olympic spirit

wave propagation

propagation of radio waves

scatter/rectilinear propagation