Shells, noun plural of shell. Synonyms in the same form.
Carapace
carapaces, shields, cuticles
Casing
casings, cases
Plate
plates, scales
Grenade
grenades, shrapnels, bombards, bombs
Other
conches, cowries, eggshells, torpedoes, testae, periwinkles, mails, frameworks, tests, shales, armatures, shell-likes
All synonyms for shell →