• sandwich
• change
• submersible
• submersible warship
• exchange
• auxiliary research submarine
• nautilus
• attack submarine
• fleet ballistic missile submarine
• nuclear submarine

subacid  sub judice  subalpine  subacute sclerosing panencephalitis  subacute sclerosing leukoencephalitis  subacute  subaerial  subacute bacterial endocarditis  sub rosa  subacute inclusion body encephalitis