sub
sub tender
bubble-head
silent service
auxiliary research submarine
subchaser
minisubmarine
subtransect
hunter-killer
submarinelike
crash dive
X-craft
submarine
subaquatic
Perisher
submariner
attack submarine
U-boater
oceanaut
dinette
supersub
U-boat
submarining
subaquarian
subhunter
warcraft
submarinist
hydronaut
Argonaut
surface ship
autosub
antisubmarine
fin
sail
mesoscaphe
nuclear submarine
nuclear-powered submarine
nautilus
milch cow
aviso
naut.
submersible
skimmer
bubblehead
USO
minisub
adobo
man-of-war
ship of the line
submersible warship
tin can
waster
rating
snort
collier
soucoupe
wolfpack
fleet ballistic missile submarine
receiving ship
battlewagon
A.
letter of marque
seapower
forebody
skullcup
brown-water navy
commerce raider
service abroad
shipboard duty
sea-duty
submarine torpedo
ram
deckhand
roustabout
seacraft
anti-submarine
shipwide
whaleboat
bow plane
blockade-runner
pigboat
bluejacket
jack
jacky
gob
Geordie
flatfoot
gaffer