4. submarine

adjective. (ˈsʌbmɝˌiːn, ˌsəbmɝˈiːn) Beneath the surface of the sea.

5. submarine

verb. (ˈsʌbmɝˌiːn, ˌsəbmɝˈiːn) Attack by submarine.

8. submarine

verb. (ˈsʌbmɝˌiːn, ˌsəbmɝˈiːn) Control a submarine.