潜 - submerge, conceal, hide

infiltration; sneaking in; going undercover

submarine

concealment; hiding; ambush

diving; submerging; going underwater

potentiality; dormancy; latency

to go under; to pass under; to go through; to pass through

to lurk; to be hidden; to be concealed; to lie dormant; to be latent

nuclear submarine

latent; potential

latency

midget submarine

submarine carrier